Predefined Constants
abs
Math
PHP Manual

# Math Functions

## Table of Contents

- abs — Absolute value
- acos — Arc cosine
- acosh — Inverse hyperbolic cosine
- asin — Arc sine
- asinh — Inverse hyperbolic sine
- atan2 — Arc tangent of two variables
- atan — Arc tangent
- atanh — Inverse hyperbolic tangent
- base_convert — Convert a number between arbitrary bases
- bindec — Binary to decimal
- ceil — Round fractions up
- cos — Cosine
- cosh — Hyperbolic cosine
- decbin — Decimal to binary
- dechex — Decimal to hexadecimal
- decoct — Decimal to octal
- deg2rad — Converts the number in degrees to the radian equivalent
- exp — Calculates the exponent of e
- expm1 — Returns exp(number) - 1, computed in a way that is accurate even when the value of number is close to zero
- floor — Round fractions down
- fmod — Returns the floating point remainder (modulo) of the division of the arguments
- getrandmax — Show largest possible random value
- hexdec — Hexadecimal to decimal
- hypot — Calculate the length of the hypotenuse of a right-angle triangle
- is_finite — Finds whether a value is a legal finite number
- is_infinite — Finds whether a value is infinite
- is_nan — Finds whether a value is not a number
- lcg_value — Combined linear congruential generator
- log10 — Base-10 logarithm
- log1p — Returns log(1 + number), computed in a way that is accurate even when the value of number is close to zero
- log — Natural logarithm
- max — Find highest value
- min — Find lowest value
- mt_getrandmax — Show largest possible random value
- mt_rand — Generate a better random value
- mt_srand — Seed the better random number generator
- octdec — Octal to decimal
- pi — Get value of pi
- pow — Exponential expression
- rad2deg — Converts the radian number to the equivalent number in degrees
- rand — Generate a random integer
- round — Rounds a float
- sin — Sine
- sinh — Hyperbolic sine
- sqrt — Square root
- srand — Seed the random number generator
- tan — Tangent
- tanh — Hyperbolic tangent

Predefined Constants
abs
Math
PHP Manual