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E E = 2.7182818284590452353602874
abs(a) the absolute value of a
acos(a) arc cosine of a
asin(a) arc sine of a
atan(a) arc tangent of a
atan2(a,b) arc tangent of a/b
ceil(a) integer closest to a and not less than a
cos(a) cosine of a
exp(a) exponent of a (E to the power a)
floor(a) integer closest to a, not greater than a
log(a) log of a base E
max(a,b) the maximum of a and b
min(a,b) the minimum of a and b
pow(a,b) a to the power b
random() pseudorandom number 0 to 1
round(a) integer closest to a
sin(a) sine of a
sqrt(a) square root of a
tan(a) tangent