exp(context=None) Return the value of the (natural) exponential function e**x at the given number. The result is

random.setstate(state) state should have been obtained from a previous call to getstate(), and setstate()

next_toward(other, context=None) If the two operands are unequal, return the number closest to the first operand in the direction

cmath.isnan(x) Return True if either the real or the imaginary part of x is a NaN, and False

math.degrees(x) Convert angle x from radians to degrees.

cmath.asin(x) Return the arc sine of x. This has the same branch cuts as acos().

statistics.pvariance(data, mu=None) Return the population variance of data, a non-empty iterable of real-valued numbers

random.lognormvariate(mu, sigma) Log normal distribution. If you take the natural logarithm of this distribution, you’ll get

clear_flags() Resets all of the flags to 0.

class decimal.Inexact Indicates that rounding occurred and the result is not exact. Signals