math.acosh(x) Return the inverse hyperbolic cosine of x.

math.fabs(x) Return the absolute value of x.

as_tuple() Return a named tuple representation of the number: DecimalTuple(sign

math.log10(x) Return the base-10 logarithm of x. This is usually more accurate than log(x, 10).

exception statistics.StatisticsError Subclass of

compare_signal(other, context=None) This operation is identical to the compare() method, except that all NaNs signal

cmath.sinh(x) Return the hyperbolic sine of x.

math.asin(x) Return the arc sine of x, in radians.

math.cosh(x) Return the hyperbolic cosine of x.

random.vonmisesvariate(mu, kappa) mu is the mean angle, expressed in radians between 0 and 2*pi, and kappa