cmath

Function	Description
acos	calculates arccosine
asin	calculates arcsine from a number
atan	calculates acustangens from a number
atan2	calculates arctangent from 2 numbers
ceil	rounding up floating point
cos	calculates the cosine of a degree
cosh	calculates the hyperbolic cosine of a number
exp	calculates the exponential value of a number
fabs	calculates the absolute number of a given value
floor	rounding down a number
fmod	returns the remainder of a statement
frexp	Mantissa m. in *n is the exponent.
ldexp	Returns x times 2 raised to n
log	Natural logarithm of a number
log10	base-10 logarithm of a number
modf	Splits completely paid off and returns the fractional part of x.
pow	pow() returns base raised to the exp power.
sin	return the sinus
sinh	return the hyperbolic sinus
sqrt	returns the square root
tan	Returns the tangent of a radian angle x.
tanh	Returns hyperbolic tangent of a radian angle x.

on the occasion of the current invasion of Russia in Ukraine