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Class PHPExcel_Calculation_Engineering

PHPExcel_Calculation_Engineering

Package: PHPExcel\Calculation
Category: PHPExcel
Copyright: Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
License: LGPL
Located at controlador/include/phpexcel/PHPExcel/Calculation/Engineering.php
Methods summary
public static string[]
# _parseComplex( string $complexNumber )

_parseComplex

_parseComplex

Parses a complex number into its real and imaginary parts, and an I or J suffix

Parameters

$complexNumber
The complex number

Returns

string[]
Indexed on "real", "imaginary" and "suffix"
private static string
# _cleanComplex( string $complexNumber )

Cleans the leading characters in a complex number string

Cleans the leading characters in a complex number string

Parameters

$complexNumber
The complex number to clean

Returns

string
The "cleaned" complex number
private static string
# _nbrConversionFormat( string $xVal, integer $places )

Formats a number base string value with leading zeroes

Formats a number base string value with leading zeroes

Parameters

$xVal
The "number" to pad
$places
The length that we want to pad this value

Returns

string
The padded "number"
public static float
# BESSELI( float $x, integer $ord )

BESSELI

BESSELI

Returns the modified Bessel function In(x), which is equivalent to the Bessel function evaluated for purely imaginary arguments

Excel Function: BESSELI(x,ord)

Parameters

$x

The value at which to evaluate the function. If x is nonnumeric, BESSELI returns the #VALUE! error value.

$ord

The order of the Bessel function. If ord is not an integer, it is truncated. If $ord is nonnumeric, BESSELI returns the #VALUE! error value. If $ord < 0, BESSELI returns the #NUM! error value.

Returns

float

Category

Engineering Functions
public static float
# BESSELJ( float $x, integer $ord )

BESSELJ

BESSELJ

Returns the Bessel function

Excel Function: BESSELJ(x,ord)

Parameters

$x

The value at which to evaluate the function. If x is nonnumeric, BESSELJ returns the #VALUE! error value.

$ord

The order of the Bessel function. If n is not an integer, it is truncated. If $ord is nonnumeric, BESSELJ returns the #VALUE! error value. If $ord < 0, BESSELJ returns the #NUM! error value.

Returns

float

Category

Engineering Functions
private static
# _Besselk0( $fNum )
private static
# _Besselk1( $fNum )
public static float
# BESSELK( float $x, integer $ord )

BESSELK

BESSELK

Returns the modified Bessel function Kn(x), which is equivalent to the Bessel functions evaluated for purely imaginary arguments.

Excel Function: BESSELK(x,ord)

Parameters

$x

The value at which to evaluate the function. If x is nonnumeric, BESSELK returns the #VALUE! error value.

$ord

The order of the Bessel function. If n is not an integer, it is truncated. If $ord is nonnumeric, BESSELK returns the #VALUE! error value. If $ord < 0, BESSELK returns the #NUM! error value.

Returns

float

Category

Engineering Functions
private static
# _Bessely0( $fNum )
private static
# _Bessely1( $fNum )
public static float
# BESSELY( float $x, integer $ord )

BESSELY

BESSELY

Returns the Bessel function, which is also called the Weber function or the Neumann function.

Excel Function: BESSELY(x,ord)

Parameters

$x

The value at which to evaluate the function. If x is nonnumeric, BESSELK returns the #VALUE! error value.

$ord

The order of the Bessel function. If n is not an integer, it is truncated. If $ord is nonnumeric, BESSELK returns the #VALUE! error value. If $ord < 0, BESSELK returns the #NUM! error value.

Returns

float

Category

Engineering Functions
public static string
# BINTODEC( string $x )

BINTODEC

BINTODEC

Return a binary value as decimal.

Excel Function: BIN2DEC(x)

Parameters

$x

The binary number (as a string) that you want to convert. The number cannot contain more than 10 characters (10 bits). The most significant bit of number is the sign bit. The remaining 9 bits are magnitude bits. Negative numbers are represented using two's-complement notation. If number is not a valid binary number, or if number contains more than 10 characters (10 bits), BIN2DEC returns the #NUM! error value.

Returns

string

Category

Engineering Functions
public static string
# BINTOHEX( string $x, integer $places = NULL )

BINTOHEX

BINTOHEX

Return a binary value as hex.

Excel Function: BIN2HEX(x[,places])

Parameters

$x

The binary number (as a string) that you want to convert. The number cannot contain more than 10 characters (10 bits). The most significant bit of number is the sign bit. The remaining 9 bits are magnitude bits. Negative numbers are represented using two's-complement notation. If number is not a valid binary number, or if number contains more than 10 characters (10 bits), BIN2HEX returns the #NUM! error value.

$places

The number of characters to use. If places is omitted, BIN2HEX uses the minimum number of characters necessary. Places is useful for padding the return value with leading 0s (zeros). If places is not an integer, it is truncated. If places is nonnumeric, BIN2HEX returns the #VALUE! error value. If places is negative, BIN2HEX returns the #NUM! error value.

Returns

string

Category

Engineering Functions
public static string
# BINTOOCT( string $x, integer $places = NULL )

BINTOOCT

BINTOOCT

Return a binary value as octal.

Excel Function: BIN2OCT(x[,places])

Parameters

$x

The binary number (as a string) that you want to convert. The number cannot contain more than 10 characters (10 bits). The most significant bit of number is the sign bit. The remaining 9 bits are magnitude bits. Negative numbers are represented using two's-complement notation. If number is not a valid binary number, or if number contains more than 10 characters (10 bits), BIN2OCT returns the #NUM! error value.

$places

The number of characters to use. If places is omitted, BIN2OCT uses the minimum number of characters necessary. Places is useful for padding the return value with leading 0s (zeros). If places is not an integer, it is truncated. If places is nonnumeric, BIN2OCT returns the #VALUE! error value. If places is negative, BIN2OCT returns the #NUM! error value.

Returns

string

Category

Engineering Functions
public static string
# DECTOBIN( string $x, integer $places = NULL )

DECTOBIN

DECTOBIN

Return a decimal value as binary.

Excel Function: DEC2BIN(x[,places])

Parameters

$x

The decimal integer you want to convert. If number is negative, valid place values are ignored and DEC2BIN returns a 10-character (10-bit) binary number in which the most significant bit is the sign bit. The remaining 9 bits are magnitude bits. Negative numbers are represented using two's-complement notation. If number < -512 or if number > 511, DEC2BIN returns the #NUM! error value. If number is nonnumeric, DEC2BIN returns the #VALUE! error value. If DEC2BIN requires more than places characters, it returns the #NUM! error value.

$places

The number of characters to use. If places is omitted, DEC2BIN uses the minimum number of characters necessary. Places is useful for padding the return value with leading 0s (zeros). If places is not an integer, it is truncated. If places is nonnumeric, DEC2BIN returns the #VALUE! error value. If places is zero or negative, DEC2BIN returns the #NUM! error value.

Returns

string

Category

Engineering Functions
public static string
# DECTOHEX( string $x, integer $places = null )

DECTOHEX

DECTOHEX

Return a decimal value as hex.

Excel Function: DEC2HEX(x[,places])

Parameters

$x

The decimal integer you want to convert. If number is negative, places is ignored and DEC2HEX returns a 10-character (40-bit) hexadecimal number in which the most significant bit is the sign bit. The remaining 39 bits are magnitude bits. Negative numbers are represented using two's-complement notation. If number < -549,755,813,888 or if number > 549,755,813,887, DEC2HEX returns the #NUM! error value. If number is nonnumeric, DEC2HEX returns the #VALUE! error value. If DEC2HEX requires more than places characters, it returns the #NUM! error value.

$places

The number of characters to use. If places is omitted, DEC2HEX uses the minimum number of characters necessary. Places is useful for padding the return value with leading 0s (zeros). If places is not an integer, it is truncated. If places is nonnumeric, DEC2HEX returns the #VALUE! error value. If places is zero or negative, DEC2HEX returns the #NUM! error value.

Returns

string

Category

Engineering Functions
public static string
# DECTOOCT( string $x, integer $places = null )

DECTOOCT

DECTOOCT

Return an decimal value as octal.

Excel Function: DEC2OCT(x[,places])

Parameters

$x

The decimal integer you want to convert. If number is negative, places is ignored and DEC2OCT returns a 10-character (30-bit) octal number in which the most significant bit is the sign bit. The remaining 29 bits are magnitude bits. Negative numbers are represented using two's-complement notation. If number < -536,870,912 or if number > 536,870,911, DEC2OCT returns the #NUM! error value. If number is nonnumeric, DEC2OCT returns the #VALUE! error value. If DEC2OCT requires more than places characters, it returns the #NUM! error value.

$places

The number of characters to use. If places is omitted, DEC2OCT uses the minimum number of characters necessary. Places is useful for padding the return value with leading 0s (zeros). If places is not an integer, it is truncated. If places is nonnumeric, DEC2OCT returns the #VALUE! error value. If places is zero or negative, DEC2OCT returns the #NUM! error value.

Returns

string

Category

Engineering Functions
public static string
# HEXTOBIN( string $x, integer $places = null )

HEXTOBIN

HEXTOBIN

Return a hex value as binary.

Excel Function: HEX2BIN(x[,places])

Parameters

$x

the hexadecimal number you want to convert. Number cannot contain more than 10 characters. The most significant bit of number is the sign bit (40th bit from the right). The remaining 9 bits are magnitude bits. Negative numbers are represented using two's-complement notation. If number is negative, HEX2BIN ignores places and returns a 10-character binary number. If number is negative, it cannot be less than FFFFFFFE00, and if number is positive, it cannot be greater than 1FF. If number is not a valid hexadecimal number, HEX2BIN returns the #NUM! error value. If HEX2BIN requires more than places characters, it returns the #NUM! error value.

$places

The number of characters to use. If places is omitted, HEX2BIN uses the minimum number of characters necessary. Places is useful for padding the return value with leading 0s (zeros). If places is not an integer, it is truncated. If places is nonnumeric, HEX2BIN returns the #VALUE! error value. If places is negative, HEX2BIN returns the #NUM! error value.

Returns

string

Category

Engineering Functions
public static string
# HEXTODEC( string $x )

HEXTODEC

HEXTODEC

Return a hex value as decimal.

Excel Function: HEX2DEC(x)

Parameters

$x

The hexadecimal number you want to convert. This number cannot contain more than 10 characters (40 bits). The most significant bit of number is the sign bit. The remaining 39 bits are magnitude bits. Negative numbers are represented using two's-complement notation. If number is not a valid hexadecimal number, HEX2DEC returns the #NUM! error value.

Returns

string

Category

Engineering Functions
public static string
# HEXTOOCT( string $x, integer $places = null )

HEXTOOCT

HEXTOOCT

Return a hex value as octal.

Excel Function: HEX2OCT(x[,places])

Parameters

$x

The hexadecimal number you want to convert. Number cannot contain more than 10 characters. The most significant bit of number is the sign bit. The remaining 39 bits are magnitude bits. Negative numbers are represented using two's-complement notation. If number is negative, HEX2OCT ignores places and returns a 10-character octal number. If number is negative, it cannot be less than FFE0000000, and if number is positive, it cannot be greater than 1FFFFFFF. If number is not a valid hexadecimal number, HEX2OCT returns the #NUM! error value. If HEX2OCT requires more than places characters, it returns the #NUM! error value.

$places

The number of characters to use. If places is omitted, HEX2OCT uses the minimum number of characters necessary. Places is useful for padding the return value with leading 0s (zeros). If places is not an integer, it is truncated. If places is nonnumeric, HEX2OCT returns the #VALUE! error value. If places is negative, HEX2OCT returns the #NUM! error value.

Returns

string

Category

Engineering Functions
public static string
# OCTTOBIN( string $x, integer $places = null )

OCTTOBIN

OCTTOBIN

Return an octal value as binary.

Excel Function: OCT2BIN(x[,places])

Parameters

$x

The octal number you want to convert. Number may not contain more than 10 characters. The most significant bit of number is the sign bit. The remaining 29 bits are magnitude bits. Negative numbers are represented using two's-complement notation. If number is negative, OCT2BIN ignores places and returns a 10-character binary number. If number is negative, it cannot be less than 7777777000, and if number is positive, it cannot be greater than 777. If number is not a valid octal number, OCT2BIN returns the #NUM! error value. If OCT2BIN requires more than places characters, it returns the #NUM! error value.

$places

The number of characters to use. If places is omitted, OCT2BIN uses the minimum number of characters necessary. Places is useful for padding the return value with leading 0s (zeros). If places is not an integer, it is truncated. If places is nonnumeric, OCT2BIN returns the #VALUE! error value. If places is negative, OCT2BIN returns the #NUM! error value.

Returns

string

Category

Engineering Functions
public static string
# OCTTODEC( string $x )

OCTTODEC

OCTTODEC

Return an octal value as decimal.

Excel Function: OCT2DEC(x)

Parameters

$x

The octal number you want to convert. Number may not contain more than 10 octal characters (30 bits). The most significant bit of number is the sign bit. The remaining 29 bits are magnitude bits. Negative numbers are represented using two's-complement notation. If number is not a valid octal number, OCT2DEC returns the #NUM! error value.

Returns

string

Category

Engineering Functions
public static string
# OCTTOHEX( string $x, integer $places = null )

OCTTOHEX

OCTTOHEX

Return an octal value as hex.

Excel Function: OCT2HEX(x[,places])

Parameters

$x

The octal number you want to convert. Number may not contain more than 10 octal characters (30 bits). The most significant bit of number is the sign bit. The remaining 29 bits are magnitude bits. Negative numbers are represented using two's-complement notation. If number is negative, OCT2HEX ignores places and returns a 10-character hexadecimal number. If number is not a valid octal number, OCT2HEX returns the #NUM! error value. If OCT2HEX requires more than places characters, it returns the #NUM! error value.

$places

The number of characters to use. If places is omitted, OCT2HEX uses the minimum number of characters necessary. Places is useful for padding the return value with leading 0s (zeros). If places is not an integer, it is truncated. If places is nonnumeric, OCT2HEX returns the #VALUE! error value. If places is negative, OCT2HEX returns the #NUM! error value.

Returns

string

Category

Engineering Functions
public static string
# COMPLEX( float $realNumber = 0.0, float $imaginary = 0.0, string $suffix = 'i' )

COMPLEX

COMPLEX

Converts real and imaginary coefficients into a complex number of the form x + yi or x + yj.

Excel Function: COMPLEX(realNumber,imaginary[,places])

Parameters

$realNumber
The real coefficient of the complex number.
$imaginary
The imaginary coefficient of the complex number.
$suffix

The suffix for the imaginary component of the complex number. If omitted, the suffix is assumed to be "i".

Returns

string

Category

Engineering Functions
public static float
# IMAGINARY( string $complexNumber )

IMAGINARY

IMAGINARY

Returns the imaginary coefficient of a complex number in x + yi or x + yj text format.

Excel Function: IMAGINARY(complexNumber)

Parameters

$complexNumber

The complex number for which you want the imaginary coefficient.

Returns

float

Category

Engineering Functions
public static float
# IMREAL( string $complexNumber )

IMREAL

IMREAL

Returns the real coefficient of a complex number in x + yi or x + yj text format.

Excel Function: IMREAL(complexNumber)

Parameters

$complexNumber
The complex number for which you want the real coefficient.

Returns

float

Category

Engineering Functions
public static float
# IMABS( string $complexNumber )

IMABS

IMABS

Returns the absolute value (modulus) of a complex number in x + yi or x + yj text format.

Excel Function: IMABS(complexNumber)

Parameters

$complexNumber
The complex number for which you want the absolute value.

Returns

float
public static float
# IMARGUMENT( string $complexNumber )

IMARGUMENT

IMARGUMENT

Returns the argument theta of a complex number, i.e. the angle in radians from the real axis to the representation of the number in polar coordinates.

Excel Function: IMARGUMENT(complexNumber)

Parameters

$complexNumber
The complex number for which you want the argument theta.

Returns

float
public static string
# IMCONJUGATE( string $complexNumber )

IMCONJUGATE

IMCONJUGATE

Returns the complex conjugate of a complex number in x + yi or x + yj text format.

Excel Function: IMCONJUGATE(complexNumber)

Parameters

$complexNumber
The complex number for which you want the conjugate.

Returns

string
public static string|float
# IMCOS( string $complexNumber )

IMCOS

IMCOS

Returns the cosine of a complex number in x + yi or x + yj text format.

Excel Function: IMCOS(complexNumber)

Parameters

$complexNumber
The complex number for which you want the cosine.

Returns

string|float
public static string|float
# IMSIN( string $complexNumber )

IMSIN

IMSIN

Returns the sine of a complex number in x + yi or x + yj text format.

Excel Function: IMSIN(complexNumber)

Parameters

$complexNumber
The complex number for which you want the sine.

Returns

string|float
public static string
# IMSQRT( string $complexNumber )

IMSQRT

IMSQRT

Returns the square root of a complex number in x + yi or x + yj text format.

Excel Function: IMSQRT(complexNumber)

Parameters

$complexNumber
The complex number for which you want the square root.

Returns

string
public static string
# IMLN( string $complexNumber )

IMLN

IMLN

Returns the natural logarithm of a complex number in x + yi or x + yj text format.

Excel Function: IMLN(complexNumber)

Parameters

$complexNumber
The complex number for which you want the natural logarithm.

Returns

string
public static string
# IMLOG10( string $complexNumber )

IMLOG10

IMLOG10

Returns the common logarithm (base 10) of a complex number in x + yi or x + yj text format.

Excel Function: IMLOG10(complexNumber)

Parameters

$complexNumber
The complex number for which you want the common logarithm.

Returns

string
public static string
# IMLOG2( string $complexNumber )

IMLOG2

IMLOG2

Returns the base-2 logarithm of a complex number in x + yi or x + yj text format.

Excel Function: IMLOG2(complexNumber)

Parameters

$complexNumber
The complex number for which you want the base-2 logarithm.

Returns

string
public static string
# IMEXP( string $complexNumber )

IMEXP

IMEXP

Returns the exponential of a complex number in x + yi or x + yj text format.

Excel Function: IMEXP(complexNumber)

Parameters

$complexNumber
The complex number for which you want the exponential.

Returns

string
public static string
# IMPOWER( string $complexNumber, float $realNumber )

IMPOWER

IMPOWER

Returns a complex number in x + yi or x + yj text format raised to a power.

Excel Function: IMPOWER(complexNumber,realNumber)

Parameters

$complexNumber
The complex number you want to raise to a power.
$realNumber
The power to which you want to raise the complex number.

Returns

string
public static string
# IMDIV( string $complexDividend, string $complexDivisor )

IMDIV

IMDIV

Returns the quotient of two complex numbers in x + yi or x + yj text format.

Excel Function: IMDIV(complexDividend,complexDivisor)

Parameters

$complexDividend
The complex numerator or dividend.
$complexDivisor
The complex denominator or divisor.

Returns

string
public static string
# IMSUB( string $complexNumber1, string $complexNumber2 )

IMSUB

IMSUB

Returns the difference of two complex numbers in x + yi or x + yj text format.

Excel Function: IMSUB(complexNumber1,complexNumber2)

Parameters

$complexNumber1
The complex number from which to subtract complexNumber2.
$complexNumber2
The complex number to subtract from complexNumber1.

Returns

string
public static string
# IMSUM( )

IMSUM

IMSUM

Returns the sum of two or more complex numbers in x + yi or x + yj text format.

Excel Function: IMSUM(complexNumber[,complexNumber[,...]])

Returns

string
public static string
# IMPRODUCT( )

IMPRODUCT

IMPRODUCT

Returns the product of two or more complex numbers in x + yi or x + yj text format.

Excel Function: IMPRODUCT(complexNumber[,complexNumber[,...]])

Returns

string
public static integer
# DELTA( float $a, float $b = 0 )

DELTA

DELTA

Tests whether two values are equal. Returns 1 if number1 = number2; returns 0 otherwise. Use this function to filter a set of values. For example, by summing several DELTA functions you calculate the count of equal pairs. This function is also known as the Kronecker Delta function.

Excel Function: DELTA(a[,b])

Parameters

$a
The first number.
$b
The second number. If omitted, b is assumed to be zero.

Returns

integer
public static integer
# GESTEP( float $number, float $step = 0 )

GESTEP

GESTEP

Excel Function: GESTEP(number[,step])

Returns 1 if number >= step; returns 0 (zero) otherwise Use this function to filter a set of values. For example, by summing several GESTEP functions you calculate the count of values that exceed a threshold.

Parameters

$number
The value to test against step.
$step

The threshold value. If you omit a value for step, GESTEP uses zero.

Returns

integer
public static
# _erfVal( $x )
public static float
# ERF( float $lower, float $upper = NULL )

ERF

ERF

Returns the error function integrated between the lower and upper bound arguments.

Note: In Excel 2007 or earlier, if you input a negative value for the upper or lower bound arguments, the function would return a #NUM! error. However, in Excel 2010, the function algorithm was improved, so that it can now calculate the function for both positive and negative ranges. PHPExcel follows Excel 2010 behaviour, and accepts nagative arguments.

Excel Function: ERF(lower[,upper])

Parameters

$lower
lower bound for integrating ERF
$upper

upper bound for integrating ERF. If omitted, ERF integrates between zero and lower_limit

Returns

float
private static
# _erfcVal( $x )
public static float
# ERFC( float $x )

ERFC

ERFC

Returns the complementary ERF function integrated between x and infinity

Note: In Excel 2007 or earlier, if you input a negative value for the lower bound argument, the function would return a #NUM! error. However, in Excel 2010, the function algorithm was improved, so that it can now calculate the function for both positive and negative x values. PHPExcel follows Excel 2010 behaviour, and accepts nagative arguments.

Excel Function: ERFC(x)

Parameters

$x
The lower bound for integrating ERFC

Returns

float
public static array
# getConversionGroups( )

getConversionGroups Returns a list of the different conversion groups for UOM conversions

getConversionGroups Returns a list of the different conversion groups for UOM conversions

Returns

array
public static array
# getConversionGroupUnits( string $group = NULL )

getConversionGroupUnits Returns an array of units of measure, for a specified conversion group, or for all groups

getConversionGroupUnits Returns an array of units of measure, for a specified conversion group, or for all groups

Parameters

$group
The group whose units of measure you want to retrieve

Returns

array
public static array
# getConversionGroupUnitDetails( string $group = NULL )

getConversionGroupUnitDetails

getConversionGroupUnitDetails

Parameters

$group
The group whose units of measure you want to retrieve

Returns

array
public static array
# getConversionMultipliers( )

getConversionMultipliers Returns an array of the Multiplier prefixes that can be used with Units of Measure in CONVERTUOM()

getConversionMultipliers Returns an array of the Multiplier prefixes that can be used with Units of Measure in CONVERTUOM()

Returns

array
of mixed
public static float
# CONVERTUOM( float $value, string $fromUOM, string $toUOM )

CONVERTUOM

CONVERTUOM

Converts a number from one measurement system to another. For example, CONVERT can translate a table of distances in miles to a table of distances in kilometers.

Excel Function: CONVERT(value,fromUOM,toUOM)

Parameters

$value
The value in fromUOM to convert.
$fromUOM
The units for value.
$toUOM
The units for the result.

Returns

float
Properties summary
private static mixed[] $_conversionUnits

Details of the Units of measure that can be used in CONVERTUOM()

Details of the Units of measure that can be used in CONVERTUOM()

# array( 'g' => array( 'Group' => 'Mass', 'Unit Name' => 'Gram', 'AllowPrefix' => True ), 'sg' => array( 'Group' => 'Mass', 'Unit Name' => 'Slug', 'AllowPrefix' => False ), 'lbm' => array( 'Group' => 'Mass', 'Unit Name' => 'Pound mass (avoirdupois)', 'AllowPrefix' => False ), 'u' => array( 'Group' => 'Mass', 'Unit Name' => 'U (atomic mass unit)', 'AllowPrefix' => True ), 'ozm' => array( 'Group' => 'Mass', 'Unit Name' => 'Ounce mass (avoirdupois)', 'AllowPrefix' => False ), 'm' => array( 'Group' => 'Distance', 'Unit Name' => 'Meter', 'AllowPrefix' => True ), 'mi' => array( 'Group' => 'Distance', 'Unit Name' => 'Statute mile', 'AllowPrefix' => False ), 'Nmi' => array( 'Group' => 'Distance', 'Unit Name' => 'Nautical mile', 'AllowPrefix' => False ), 'in' => array( 'Group' => 'Distance', 'Unit Name' => 'Inch', 'AllowPrefix' => False ), 'ft' => array( 'Group' => 'Distance', 'Unit Name' => 'Foot', 'AllowPrefix' => False ), 'yd' => array( 'Group' => 'Distance', 'Unit Name' => 'Yard', 'AllowPrefix' => False ), 'ang' => array( 'Group' => 'Distance', 'Unit Name' => 'Angstrom', 'AllowPrefix' => True ), 'Pica' => array( 'Group' => 'Distance', 'Unit Name' => 'Pica (1/72 in)', 'AllowPrefix' => False ), 'yr' => array( 'Group' => 'Time', 'Unit Name' => 'Year', 'AllowPrefix' => False ), 'day' => array( 'Group' => 'Time', 'Unit Name' => 'Day', 'AllowPrefix' => False ), 'hr' => array( 'Group' => 'Time', 'Unit Name' => 'Hour', 'AllowPrefix' => False ), 'mn' => array( 'Group' => 'Time', 'Unit Name' => 'Minute', 'AllowPrefix' => False ), 'sec' => array( 'Group' => 'Time', 'Unit Name' => 'Second', 'AllowPrefix' => True ), 'Pa' => array( 'Group' => 'Pressure', 'Unit Name' => 'Pascal', 'AllowPrefix' => True ), 'p' => array( 'Group' => 'Pressure', 'Unit Name' => 'Pascal', 'AllowPrefix' => True ), 'atm' => array( 'Group' => 'Pressure', 'Unit Name' => 'Atmosphere', 'AllowPrefix' => True ), 'at' => array( 'Group' => 'Pressure', 'Unit Name' => 'Atmosphere', 'AllowPrefix' => True ), 'mmHg' => array( 'Group' => 'Pressure', 'Unit Name' => 'mm of Mercury', 'AllowPrefix' => True ), 'N' => array( 'Group' => 'Force', 'Unit Name' => 'Newton', 'AllowPrefix' => True ), 'dyn' => array( 'Group' => 'Force', 'Unit Name' => 'Dyne', 'AllowPrefix' => True ), 'dy' => array( 'Group' => 'Force', 'Unit Name' => 'Dyne', 'AllowPrefix' => True ), 'lbf' => array( 'Group' => 'Force', 'Unit Name' => 'Pound force', 'AllowPrefix' => False ), 'J' => array( 'Group' => 'Energy', 'Unit Name' => 'Joule', 'AllowPrefix' => True ), 'e' => array( 'Group' => 'Energy', 'Unit Name' => 'Erg', 'AllowPrefix' => True ), 'c' => array( 'Group' => 'Energy', 'Unit Name' => 'Thermodynamic calorie', 'AllowPrefix' => True ), 'cal' => array( 'Group' => 'Energy', 'Unit Name' => 'IT calorie', 'AllowPrefix' => True ), 'eV' => array( 'Group' => 'Energy', 'Unit Name' => 'Electron volt', 'AllowPrefix' => True ), 'ev' => array( 'Group' => 'Energy', 'Unit Name' => 'Electron volt', 'AllowPrefix' => True ), 'HPh' => array( 'Group' => 'Energy', 'Unit Name' => 'Horsepower-hour', 'AllowPrefix' => False ), 'hh' => array( 'Group' => 'Energy', 'Unit Name' => 'Horsepower-hour', 'AllowPrefix' => False ), 'Wh' => array( 'Group' => 'Energy', 'Unit Name' => 'Watt-hour', 'AllowPrefix' => True ), 'wh' => array( 'Group' => 'Energy', 'Unit Name' => 'Watt-hour', 'AllowPrefix' => True ), 'flb' => array( 'Group' => 'Energy', 'Unit Name' => 'Foot-pound', 'AllowPrefix' => False ), 'BTU' => array( 'Group' => 'Energy', 'Unit Name' => 'BTU', 'AllowPrefix' => False ), 'btu' => array( 'Group' => 'Energy', 'Unit Name' => 'BTU', 'AllowPrefix' => False ), 'HP' => array( 'Group' => 'Power', 'Unit Name' => 'Horsepower', 'AllowPrefix' => False ), 'h' => array( 'Group' => 'Power', 'Unit Name' => 'Horsepower', 'AllowPrefix' => False ), 'W' => array( 'Group' => 'Power', 'Unit Name' => 'Watt', 'AllowPrefix' => True ), 'w' => array( 'Group' => 'Power', 'Unit Name' => 'Watt', 'AllowPrefix' => True ), 'T' => array( 'Group' => 'Magnetism', 'Unit Name' => 'Tesla', 'AllowPrefix' => True ), 'ga' => array( 'Group' => 'Magnetism', 'Unit Name' => 'Gauss', 'AllowPrefix' => True ), 'C' => array( 'Group' => 'Temperature', 'Unit Name' => 'Celsius', 'AllowPrefix' => False ), 'cel' => array( 'Group' => 'Temperature', 'Unit Name' => 'Celsius', 'AllowPrefix' => False ), 'F' => array( 'Group' => 'Temperature', 'Unit Name' => 'Fahrenheit', 'AllowPrefix' => False ), 'fah' => array( 'Group' => 'Temperature', 'Unit Name' => 'Fahrenheit', 'AllowPrefix' => False ), 'K' => array( 'Group' => 'Temperature', 'Unit Name' => 'Kelvin', 'AllowPrefix' => False ), 'kel' => array( 'Group' => 'Temperature', 'Unit Name' => 'Kelvin', 'AllowPrefix' => False ), 'tsp' => array( 'Group' => 'Liquid', 'Unit Name' => 'Teaspoon', 'AllowPrefix' => False ), 'tbs' => array( 'Group' => 'Liquid', 'Unit Name' => 'Tablespoon', 'AllowPrefix' => False ), 'oz' => array( 'Group' => 'Liquid', 'Unit Name' => 'Fluid Ounce', 'AllowPrefix' => False ), 'cup' => array( 'Group' => 'Liquid', 'Unit Name' => 'Cup', 'AllowPrefix' => False ), 'pt' => array( 'Group' => 'Liquid', 'Unit Name' => 'U.S. Pint', 'AllowPrefix' => False ), 'us_pt' => array( 'Group' => 'Liquid', 'Unit Name' => 'U.S. Pint', 'AllowPrefix' => False ), 'uk_pt' => array( 'Group' => 'Liquid', 'Unit Name' => 'U.K. Pint', 'AllowPrefix' => False ), 'qt' => array( 'Group' => 'Liquid', 'Unit Name' => 'Quart', 'AllowPrefix' => False ), 'gal' => array( 'Group' => 'Liquid', 'Unit Name' => 'Gallon', 'AllowPrefix' => False ), 'l' => array( 'Group' => 'Liquid', 'Unit Name' => 'Litre', 'AllowPrefix' => True ), 'lt' => array( 'Group' => 'Liquid', 'Unit Name' => 'Litre', 'AllowPrefix' => True ) )
private static mixed[] $_conversionMultipliers

Details of the Multiplier prefixes that can be used with Units of Measure in CONVERTUOM()

Details of the Multiplier prefixes that can be used with Units of Measure in CONVERTUOM()

# array( 'Y' => array( 'multiplier' => 1E24, 'name' => 'yotta' ), 'Z' => array( 'multiplier' => 1E21, 'name' => 'zetta' ), 'E' => array( 'multiplier' => 1E18, 'name' => 'exa' ), 'P' => array( 'multiplier' => 1E15, 'name' => 'peta' ), 'T' => array( 'multiplier' => 1E12, 'name' => 'tera' ), 'G' => array( 'multiplier' => 1E9, 'name' => 'giga' ), 'M' => array( 'multiplier' => 1E6, 'name' => 'mega' ), 'k' => array( 'multiplier' => 1E3, 'name' => 'kilo' ), 'h' => array( 'multiplier' => 1E2, 'name' => 'hecto' ), 'e' => array( 'multiplier' => 1E1, 'name' => 'deka' ), 'd' => array( 'multiplier' => 1E-1, 'name' => 'deci' ), 'c' => array( 'multiplier' => 1E-2, 'name' => 'centi' ), 'm' => array( 'multiplier' => 1E-3, 'name' => 'milli' ), 'u' => array( 'multiplier' => 1E-6, 'name' => 'micro' ), 'n' => array( 'multiplier' => 1E-9, 'name' => 'nano' ), 'p' => array( 'multiplier' => 1E-12, 'name' => 'pico' ), 'f' => array( 'multiplier' => 1E-15, 'name' => 'femto' ), 'a' => array( 'multiplier' => 1E-18, 'name' => 'atto' ), 'z' => array( 'multiplier' => 1E-21, 'name' => 'zepto' ), 'y' => array( 'multiplier' => 1E-24, 'name' => 'yocto' ) )
private static mixed[] $_unitConversions

Details of the Units of measure conversion factors, organised by group

Details of the Units of measure conversion factors, organised by group

# array( 'Mass' => array( 'g' => array( 'g' => 1.0, 'sg' => 6.85220500053478E-05, 'lbm' => 2.20462291469134E-03, 'u' => 6.02217000000000E+23, 'ozm' => 3.52739718003627E-02 ), 'sg' => array( 'g' => 1.45938424189287E+04, 'sg' => 1.0, 'lbm' => 3.21739194101647E+01, 'u' => 8.78866000000000E+27, 'ozm' => 5.14782785944229E+02 ), 'lbm' => array( 'g' => 4.5359230974881148E+02, 'sg' => 3.10810749306493E-02, 'lbm' => 1.0, 'u' => 2.73161000000000E+26, 'ozm' => 1.60000023429410E+01 ), 'u' => array( 'g' => 1.66053100460465E-24, 'sg' => 1.13782988532950E-28, 'lbm' => 3.66084470330684E-27, 'u' => 1.0, 'ozm' => 5.85735238300524E-26 ), 'ozm' => array( 'g' => 2.83495152079732E+01, 'sg' => 1.94256689870811E-03, 'lbm' => 6.24999908478882E-02, 'u' => 1.70725600000000E+25, 'ozm' => 1.0 ) ), 'Distance' => array( 'm' => array( 'm' => 1.0, 'mi' => 6.21371192237334E-04, 'Nmi' => 5.39956803455724E-04, 'in' => 3.93700787401575E+01, 'ft' => 3.28083989501312E+00, 'yd' => 1.09361329797891E+00, 'ang' => 1.00000000000000E+10, 'Pica' => 2.83464566929116E+03 ), 'mi' => array( 'm' => 1.60934400000000E+03, 'mi' => 1.0, 'Nmi' => 8.68976241900648E-01, 'in' => 6.33600000000000E+04, 'ft' => 5.28000000000000E+03, 'yd' => 1.76000000000000E+03, 'ang' => 1.60934400000000E+13, 'Pica' => 4.56191999999971E+06 ), 'Nmi' => array( 'm' => 1.85200000000000E+03, 'mi' => 1.15077944802354E+00, 'Nmi' => 1.0, 'in' => 7.29133858267717E+04, 'ft' => 6.07611548556430E+03, 'yd' => 2.02537182785694E+03, 'ang' => 1.85200000000000E+13, 'Pica' => 5.24976377952723E+06 ), 'in' => array( 'm' => 2.54000000000000E-02, 'mi' => 1.57828282828283E-05, 'Nmi' => 1.37149028077754E-05, 'in' => 1.0, 'ft' => 8.33333333333333E-02, 'yd' => 2.77777777686643E-02, 'ang' => 2.54000000000000E+08, 'Pica' => 7.19999999999955E+01 ), 'ft' => array( 'm' => 3.04800000000000E-01, 'mi' => 1.89393939393939E-04, 'Nmi' => 1.64578833693305E-04, 'in' => 1.20000000000000E+01, 'ft' => 1.0, 'yd' => 3.33333333223972E-01, 'ang' => 3.04800000000000E+09, 'Pica' => 8.63999999999946E+02 ), 'yd' => array( 'm' => 9.14400000300000E-01, 'mi' => 5.68181818368230E-04, 'Nmi' => 4.93736501241901E-04, 'in' => 3.60000000118110E+01, 'ft' => 3.00000000000000E+00, 'yd' => 1.0, 'ang' => 9.14400000300000E+09, 'Pica' => 2.59200000085023E+03 ), 'ang' => array( 'm' => 1.00000000000000E-10, 'mi' => 6.21371192237334E-14, 'Nmi' => 5.39956803455724E-14, 'in' => 3.93700787401575E-09, 'ft' => 3.28083989501312E-10, 'yd' => 1.09361329797891E-10, 'ang' => 1.0, 'Pica' => 2.83464566929116E-07 ), 'Pica' => array( 'm' => 3.52777777777800E-04, 'mi' => 2.19205948372629E-07, 'Nmi' => 1.90484761219114E-07, 'in' => 1.38888888888898E-02, 'ft' => 1.15740740740748E-03, 'yd' => 3.85802469009251E-04, 'ang' => 3.52777777777800E+06, 'Pica' => 1.0 ) ), 'Time' => array( 'yr' => array( 'yr' => 1.0, 'day' => 365.25, 'hr' => 8766.0, 'mn' => 525960.0, 'sec' => 31557600.0 ), 'day' => array( 'yr' => 2.73785078713210E-03, 'day' => 1.0, 'hr' => 24.0, 'mn' => 1440.0, 'sec' => 86400.0 ), 'hr' => array( 'yr' => 1.14077116130504E-04, 'day' => 4.16666666666667E-02, 'hr' => 1.0, 'mn' => 60.0, 'sec' => 3600.0 ), 'mn' => array( 'yr' => 1.90128526884174E-06, 'day' => 6.94444444444444E-04, 'hr' => 1.66666666666667E-02, 'mn' => 1.0, 'sec' => 60.0 ), 'sec' => array( 'yr' => 3.16880878140289E-08, 'day' => 1.15740740740741E-05, 'hr' => 2.77777777777778E-04, 'mn' => 1.66666666666667E-02, 'sec' => 1.0 ) ), 'Pressure' => array( 'Pa' => array( 'Pa' => 1.0, 'p' => 1.0, 'atm' => 9.86923299998193E-06, 'at' => 9.86923299998193E-06, 'mmHg' => 7.50061707998627E-03 ), 'p' => array( 'Pa' => 1.0, 'p' => 1.0, 'atm' => 9.86923299998193E-06, 'at' => 9.86923299998193E-06, 'mmHg' => 7.50061707998627E-03 ), 'atm' => array( 'Pa' => 1.01324996583000E+05, 'p' => 1.01324996583000E+05, 'atm' => 1.0, 'at' => 1.0, 'mmHg' => 760.0 ), 'at' => array( 'Pa' => 1.01324996583000E+05, 'p' => 1.01324996583000E+05, 'atm' => 1.0, 'at' => 1.0, 'mmHg' => 760.0 ), 'mmHg' => array( 'Pa' => 1.33322363925000E+02, 'p' => 1.33322363925000E+02, 'atm' => 1.31578947368421E-03, 'at' => 1.31578947368421E-03, 'mmHg' => 1.0 ) ), 'Force' => array( 'N' => array( 'N' => 1.0, 'dyn' => 1.0E+5, 'dy' => 1.0E+5, 'lbf' => 2.24808923655339E-01 ), 'dyn' => array( 'N' => 1.0E-5, 'dyn' => 1.0, 'dy' => 1.0, 'lbf' => 2.24808923655339E-06 ), 'dy' => array( 'N' => 1.0E-5, 'dyn' => 1.0, 'dy' => 1.0, 'lbf' => 2.24808923655339E-06 ), 'lbf' => array( 'N' => 4.448222, 'dyn' => 4.448222E+5, 'dy' => 4.448222E+5, 'lbf' => 1.0 ) ), 'Energy' => array( 'J' => array( 'J' => 1.0, 'e' => 9.99999519343231E+06, 'c' => 2.39006249473467E-01, 'cal' => 2.38846190642017E-01, 'eV' => 6.24145700000000E+18, 'ev' => 6.24145700000000E+18, 'HPh' => 3.72506430801000E-07, 'hh' => 3.72506430801000E-07, 'Wh' => 2.77777916238711E-04, 'wh' => 2.77777916238711E-04, 'flb' => 2.37304222192651E+01, 'BTU' => 9.47815067349015E-04, 'btu' => 9.47815067349015E-04 ), 'e' => array( 'J' => 1.00000048065700E-07, 'e' => 1.0, 'c' => 2.39006364353494E-08, 'cal' => 2.38846305445111E-08, 'eV' => 6.24146000000000E+11, 'ev' => 6.24146000000000E+11, 'HPh' => 3.72506609848824E-14, 'hh' => 3.72506609848824E-14, 'Wh' => 2.77778049754611E-11, 'wh' => 2.77778049754611E-11, 'flb' => 2.37304336254586E-06, 'BTU' => 9.47815522922962E-11, 'btu' => 9.47815522922962E-11 ), 'c' => array( 'J' => 4.18399101363672E+00, 'e' => 4.18398900257312E+07, 'c' => 1.0, 'cal' => 9.99330315287563E-01, 'eV' => 2.61142000000000E+19, 'ev' => 2.61142000000000E+19, 'HPh' => 1.55856355899327E-06, 'hh' => 1.55856355899327E-06, 'Wh' => 1.16222030532950E-03, 'wh' => 1.16222030532950E-03, 'flb' => 9.92878733152102E+01, 'BTU' => 3.96564972437776E-03, 'btu' => 3.96564972437776E-03 ), 'cal' => array( 'J' => 4.18679484613929E+00, 'e' => 4.18679283372801E+07, 'c' => 1.00067013349059E+00, 'cal' => 1.0, 'eV' => 2.61317000000000E+19, 'ev' => 2.61317000000000E+19, 'HPh' => 1.55960800463137E-06, 'hh' => 1.55960800463137E-06, 'Wh' => 1.16299914807955E-03, 'wh' => 1.16299914807955E-03, 'flb' => 9.93544094443283E+01, 'BTU' => 3.96830723907002E-03, 'btu' => 3.96830723907002E-03 ), 'eV' => array( 'J' => 1.60219000146921E-19, 'e' => 1.60218923136574E-12, 'c' => 3.82933423195043E-20, 'cal' => 3.82676978535648E-20, 'eV' => 1.0, 'ev' => 1.0, 'HPh' => 5.96826078912344E-26, 'hh' => 5.96826078912344E-26, 'Wh' => 4.45053000026614E-23, 'wh' => 4.45053000026614E-23, 'flb' => 3.80206452103492E-18, 'BTU' => 1.51857982414846E-22, 'btu' => 1.51857982414846E-22 ), 'ev' => array( 'J' => 1.60219000146921E-19, 'e' => 1.60218923136574E-12, 'c' => 3.82933423195043E-20, 'cal' => 3.82676978535648E-20, 'eV' => 1.0, 'ev' => 1.0, 'HPh' => 5.96826078912344E-26, 'hh' => 5.96826078912344E-26, 'Wh' => 4.45053000026614E-23, 'wh' => 4.45053000026614E-23, 'flb' => 3.80206452103492E-18, 'BTU' => 1.51857982414846E-22, 'btu' => 1.51857982414846E-22 ), 'HPh' => array( 'J' => 2.68451741316170E+06, 'e' => 2.68451612283024E+13, 'c' => 6.41616438565991E+05, 'cal' => 6.41186757845835E+05, 'eV' => 1.67553000000000E+25, 'ev' => 1.67553000000000E+25, 'HPh' => 1.0, 'hh' => 1.0, 'Wh' => 7.45699653134593E+02, 'wh' => 7.45699653134593E+02, 'flb' => 6.37047316692964E+07, 'BTU' => 2.54442605275546E+03, 'btu' => 2.54442605275546E+03 ), 'hh' => array( 'J' => 2.68451741316170E+06, 'e' => 2.68451612283024E+13, 'c' => 6.41616438565991E+05, 'cal' => 6.41186757845835E+05, 'eV' => 1.67553000000000E+25, 'ev' => 1.67553000000000E+25, 'HPh' => 1.0, 'hh' => 1.0, 'Wh' => 7.45699653134593E+02, 'wh' => 7.45699653134593E+02, 'flb' => 6.37047316692964E+07, 'BTU' => 2.54442605275546E+03, 'btu' => 2.54442605275546E+03 ), 'Wh' => array( 'J' => 3.59999820554720E+03, 'e' => 3.59999647518369E+10, 'c' => 8.60422069219046E+02, 'cal' => 8.59845857713046E+02, 'eV' => 2.24692340000000E+22, 'ev' => 2.24692340000000E+22, 'HPh' => 1.34102248243839E-03, 'hh' => 1.34102248243839E-03, 'Wh' => 1.0, 'wh' => 1.0, 'flb' => 8.54294774062316E+04, 'BTU' => 3.41213254164705E+00, 'btu' => 3.41213254164705E+00 ), 'wh' => array( 'J' => 3.59999820554720E+03, 'e' => 3.59999647518369E+10, 'c' => 8.60422069219046E+02, 'cal' => 8.59845857713046E+02, 'eV' => 2.24692340000000E+22, 'ev' => 2.24692340000000E+22, 'HPh' => 1.34102248243839E-03, 'hh' => 1.34102248243839E-03, 'Wh' => 1.0, 'wh' => 1.0, 'flb' => 8.54294774062316E+04, 'BTU' => 3.41213254164705E+00, 'btu' => 3.41213254164705E+00 ), 'flb' => array( 'J' => 4.21400003236424E-02, 'e' => 4.21399800687660E+05, 'c' => 1.00717234301644E-02, 'cal' => 1.00649785509554E-02, 'eV' => 2.63015000000000E+17, 'ev' => 2.63015000000000E+17, 'HPh' => 1.56974211145130E-08, 'hh' => 1.56974211145130E-08, 'Wh' => 1.17055614802000E-05, 'wh' => 1.17055614802000E-05, 'flb' => 1.0, 'BTU' => 3.99409272448406E-05, 'btu' => 3.99409272448406E-05 ), 'BTU' => array( 'J' => 1.05505813786749E+03, 'e' => 1.05505763074665E+10, 'c' => 2.52165488508168E+02, 'cal' => 2.51996617135510E+02, 'eV' => 6.58510000000000E+21, 'ev' => 6.58510000000000E+21, 'HPh' => 3.93015941224568E-04, 'hh' => 3.93015941224568E-04, 'Wh' => 2.93071851047526E-01, 'wh' => 2.93071851047526E-01, 'flb' => 2.50369750774671E+04, 'BTU' => 1.0, 'btu' => 1.0, ), 'btu' => array( 'J' => 1.05505813786749E+03, 'e' => 1.05505763074665E+10, 'c' => 2.52165488508168E+02, 'cal' => 2.51996617135510E+02, 'eV' => 6.58510000000000E+21, 'ev' => 6.58510000000000E+21, 'HPh' => 3.93015941224568E-04, 'hh' => 3.93015941224568E-04, 'Wh' => 2.93071851047526E-01, 'wh' => 2.93071851047526E-01, 'flb' => 2.50369750774671E+04, 'BTU' => 1.0, 'btu' => 1.0, ) ), 'Power' => array( 'HP' => array( 'HP' => 1.0, 'h' => 1.0, 'W' => 7.45701000000000E+02, 'w' => 7.45701000000000E+02 ), 'h' => array( 'HP' => 1.0, 'h' => 1.0, 'W' => 7.45701000000000E+02, 'w' => 7.45701000000000E+02 ), 'W' => array( 'HP' => 1.34102006031908E-03, 'h' => 1.34102006031908E-03, 'W' => 1.0, 'w' => 1.0 ), 'w' => array( 'HP' => 1.34102006031908E-03, 'h' => 1.34102006031908E-03, 'W' => 1.0, 'w' => 1.0 ) ), 'Magnetism' => array( 'T' => array( 'T' => 1.0, 'ga' => 10000.0 ), 'ga' => array( 'T' => 0.0001, 'ga' => 1.0 ) ), 'Liquid' => array( 'tsp' => array( 'tsp' => 1.0, 'tbs' => 3.33333333333333E-01, 'oz' => 1.66666666666667E-01, 'cup' => 2.08333333333333E-02, 'pt' => 1.04166666666667E-02, 'us_pt' => 1.04166666666667E-02, 'uk_pt' => 8.67558516821960E-03, 'qt' => 5.20833333333333E-03, 'gal' => 1.30208333333333E-03, 'l' => 4.92999408400710E-03, 'lt' => 4.92999408400710E-03 ), 'tbs' => array( 'tsp' => 3.00000000000000E+00, 'tbs' => 1.0, 'oz' => 5.00000000000000E-01, 'cup' => 6.25000000000000E-02, 'pt' => 3.12500000000000E-02, 'us_pt' => 3.12500000000000E-02, 'uk_pt' => 2.60267555046588E-02, 'qt' => 1.56250000000000E-02, 'gal' => 3.90625000000000E-03, 'l' => 1.47899822520213E-02, 'lt' => 1.47899822520213E-02 ), 'oz' => array( 'tsp' => 6.00000000000000E+00, 'tbs' => 2.00000000000000E+00, 'oz' => 1.0, 'cup' => 1.25000000000000E-01, 'pt' => 6.25000000000000E-02, 'us_pt' => 6.25000000000000E-02, 'uk_pt' => 5.20535110093176E-02, 'qt' => 3.12500000000000E-02, 'gal' => 7.81250000000000E-03, 'l' => 2.95799645040426E-02, 'lt' => 2.95799645040426E-02 ), 'cup' => array( 'tsp' => 4.80000000000000E+01, 'tbs' => 1.60000000000000E+01, 'oz' => 8.00000000000000E+00, 'cup' => 1.0, 'pt' => 5.00000000000000E-01, 'us_pt' => 5.00000000000000E-01, 'uk_pt' => 4.16428088074541E-01, 'qt' => 2.50000000000000E-01, 'gal' => 6.25000000000000E-02, 'l' => 2.36639716032341E-01, 'lt' => 2.36639716032341E-01 ), 'pt' => array( 'tsp' => 9.60000000000000E+01, 'tbs' => 3.20000000000000E+01, 'oz' => 1.60000000000000E+01, 'cup' => 2.00000000000000E+00, 'pt' => 1.0, 'us_pt' => 1.0, 'uk_pt' => 8.32856176149081E-01, 'qt' => 5.00000000000000E-01, 'gal' => 1.25000000000000E-01, 'l' => 4.73279432064682E-01, 'lt' => 4.73279432064682E-01 ), 'us_pt' => array( 'tsp' => 9.60000000000000E+01, 'tbs' => 3.20000000000000E+01, 'oz' => 1.60000000000000E+01, 'cup' => 2.00000000000000E+00, 'pt' => 1.0, 'us_pt' => 1.0, 'uk_pt' => 8.32856176149081E-01, 'qt' => 5.00000000000000E-01, 'gal' => 1.25000000000000E-01, 'l' => 4.73279432064682E-01, 'lt' => 4.73279432064682E-01 ), 'uk_pt' => array( 'tsp' => 1.15266000000000E+02, 'tbs' => 3.84220000000000E+01, 'oz' => 1.92110000000000E+01, 'cup' => 2.40137500000000E+00, 'pt' => 1.20068750000000E+00, 'us_pt' => 1.20068750000000E+00, 'uk_pt' => 1.0, 'qt' => 6.00343750000000E-01, 'gal' => 1.50085937500000E-01, 'l' => 5.68260698087162E-01, 'lt' => 5.68260698087162E-01 ), 'qt' => array( 'tsp' => 1.92000000000000E+02, 'tbs' => 6.40000000000000E+01, 'oz' => 3.20000000000000E+01, 'cup' => 4.00000000000000E+00, 'pt' => 2.00000000000000E+00, 'us_pt' => 2.00000000000000E+00, 'uk_pt' => 1.66571235229816E+00, 'qt' => 1.0, 'gal' => 2.50000000000000E-01, 'l' => 9.46558864129363E-01, 'lt' => 9.46558864129363E-01 ), 'gal' => array( 'tsp' => 7.68000000000000E+02, 'tbs' => 2.56000000000000E+02, 'oz' => 1.28000000000000E+02, 'cup' => 1.60000000000000E+01, 'pt' => 8.00000000000000E+00, 'us_pt' => 8.00000000000000E+00, 'uk_pt' => 6.66284940919265E+00, 'qt' => 4.00000000000000E+00, 'gal' => 1.0, 'l' => 3.78623545651745E+00, 'lt' => 3.78623545651745E+00 ), 'l' => array( 'tsp' => 2.02840000000000E+02, 'tbs' => 6.76133333333333E+01, 'oz' => 3.38066666666667E+01, 'cup' => 4.22583333333333E+00, 'pt' => 2.11291666666667E+00, 'us_pt' => 2.11291666666667E+00, 'uk_pt' => 1.75975569552166E+00, 'qt' => 1.05645833333333E+00, 'gal' => 2.64114583333333E-01, 'l' => 1.0, 'lt' => 1.0 ), 'lt' => array( 'tsp' => 2.02840000000000E+02, 'tbs' => 6.76133333333333E+01, 'oz' => 3.38066666666667E+01, 'cup' => 4.22583333333333E+00, 'pt' => 2.11291666666667E+00, 'us_pt' => 2.11291666666667E+00, 'uk_pt' => 1.75975569552166E+00, 'qt' => 1.05645833333333E+00, 'gal' => 2.64114583333333E-01, 'l' => 1.0, 'lt' => 1.0 ) ) )
private static float $_two_sqrtpi
# 1.128379167095512574
private static float $_one_sqrtpi
# 0.564189583547756287
Autene API documentation generated by ApiGen