log10(context=None) Return the base ten logarithm of the operand. The result is correctly rounded using the ROUND_HALF_EVEN

exception statistics.StatisticsError Subclass of

cmath.cos(x) Return the cosine of x.

random.getrandbits(k) Returns a Python integer with k random bits. This method is supplied with the MersenneTwister

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

max(other, context=None) Like max(self, other) except that the context rounding rule is applied before returning

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

from_float(f) Classmethod that converts a float to a decimal number, exactly. Note Decimal

statistics.stdev(data, xbar=None) Return the sample standard deviation (the square root of the sample variance). See variance()

min_mag(other, context=None) Similar to the min() method, but the comparison is done using the absolute values