Mathematical Functions
 
 
 
 
 
 
 
 
 
- Introduction
 - Installing/Configuring
 - Predefined Constants
 - Math Functions
- 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
 - intdiv — Integer division
 - 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 random value via the Mersenne Twister Random Number Generator
 - mt_srand — Seeds the Mersenne Twister 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