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abs | absolute value
acos | arc cosine
asin | arc sine
atan | arc tangent
atan2 | arc tangent, using signs to determine quadrants
ceil | the smallest integer not less than a certain value
cos | cosine
cosh | hyperbolic cosine
div | returns the quotient and remainder of a division
exp | returns "e" raised to a given power
fabs | absolute value for floating-point numbers
floor | returns the largest integer not greater than a given value
fmod | returns the remainder of a division
frexp | decomposes a number into scientific notation
labs | absolute value for long integers
ldexp | computes a number in scientific notation
ldiv | returns the quotient and remainder of a division, in long integer form
log | natural logarithm
log10 | natural logarithm, in base 10
modf | decomposes a number into integer and fractional parts
pow | returns a given number raised to another number
sin | sine
sinh | hyperbolic sine
sqrt | square root
tan | tangent
tanh | hyperbolic tangent