function |
Description |
ABS () |
Returns the absolute value of a number. |
ACOs () |
Returns the inverse cosine of a number. |
Acosh () |
Returns the inverse hyperbolic cosine of a number. |
ASIN () |
Returns the inverse of a number of strings. |
Asinh () |
Returns the inverse hyperbolic sine of a number. |
Atan () |
Returns the inverse tangent of a number. |
ATAN2 () |
Returns the inverse tangent of two variables x and Y. |
Atanh () |
Returns the inverse hyperbolic tangent of a number. |
Base_convert () |
Converts a number between arbitrary binaries. |
Bindec () |
Converts a binary number into a decimal number. |
Ceil () |
Rounds up to the nearest integer. |
cos () |
Returns the cosine of a number. |
Cosh () |
Returns the hyperbolic cosine of a number. |
Decbin () |
Converts a decimal number to a binary number. |
Dechex () |
Converts a decimal number to a hexadecimal number. |
DECOCT () |
Converts a decimal number to an octal number. |
Deg2rad () |
Converts the angle value to a radian value. |
EXP () |
Returns the value of Ex. |
EXPM1 () |
Returns the value of the Ex-1. |
Floor () |
Rounds down to the nearest integer. |
Fmod () |
Returns the remainder of the floating point number for X/Y. |
Getrandmax () |
Returns the maximum possible value for the random number displayed by calling the rand () function. |
Hexdec () |
Converts the hexadecimal number to a decimal number. |
Hypot () |
Calculates the hypotenuse length of the right triangle. |
Is_finite () |
Determines whether it is a finite value. |
Is_infinite () |
Determines whether the value is infinite. |
Is_nan () |
Determines whether it is a non-numeric value. |
Lcg_value () |
Returns a pseudo-random number with a range of (0, 1). |
Log () |
Returns the natural logarithm of a number (base E). |
LOG10 () |
Returns the base 10 logarithm of a number. |
LOG1P () |
Return log (1+number) |
Max () |
Returns the maximum value in an array, or the maximum value in several specified values. |
Min () |
Returns the minimum value in an array, or a minimum of several specified values. |
Mt_getrandmax () |
Returns the maximum possible value of the random number displayed by calling the Mt_rand () function. |
Mt_rand () |
Generates a random integer using the Mersenne Twister algorithm. |
Mt_srand () |
Seeding Mersenne Twister random number generator. |
Octdec () |
Converts the octal number to a decimal number. |
Pi () |
Returns the value of pi. |
POW () |
Returns the Y-side of X. |
Rad2deg () |
Converts the Radian value to an angle value. |
RAND () |
Returns a random integer. |
Round () |
Rounding the floating-point numbers. |
Sin () |
Returns the sine of a number. |
Sinh () |
Returns the hyperbolic sine of a number. |
sqrt () |
Returns the square root of a number. |
Srand () |
Seeding random number generators. |
Tan () |
Returns the tangent of a number. |
Tanh () |
Returns the hyperbolic tangent of a number. |