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## math

 abs() Absolute value. acos() Arc cosine. acosh() Inverse hyperbolic cosine. asin() Arc sine. asinh() Inverse hyperbolic sine. atan() Arc tangent. atan2() Arc tangent of two variables. 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 onent 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 enuse 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. log() Natural arithm. 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. 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 . pow() Exponential expression. rad2deg() Converts the radian number to the equivalent number in degrees. rand() Generate a om integer. round() Rounds a float. sin() Sine. sinh() Hyperbolic sine. sqrt() Square root. srand() Seed the random number generator. tan() Tangent. tanh() Hyperbolic tangent.