math.rad()

math.rad (x) Converts the angle x from degrees to radians.

math.pi

math.pi The value of π.

math.modf()

math.modf (x) Returns the integral part of x and the fractional part of x. Its second result is always a float.

math.mininteger

math.min()

math.min (x, ···) Returns the argument with the minimum value, according to the Lua operator <. (integer/float)

math.maxinteger

math.max()

math.max (x, ···) Returns the argument with the maximum value, according to the Lua operator <. (integer/float)

math.log()

math.log (x [, base]) Returns the logarithm of x in the given base. The default for base is e (so that the function returns the natural logarithm of x).

math.huge

math.huge The float value HUGE_VAL, a value larger than any other numeric value.

math.fmod()

math.fmod (x, y) Returns the remainder of the division of x by y that rounds the quotient towards zero. (integer/float)