class decimal.DefaultContext This context is used by the Context constructor as a prototype for new contexts. Changing

math.tanh(x) Return the hyperbolic tangent of x.

is_nan(x) Returns True if x is a qNaN or sNaN; otherwise returns False.

__round__() __round__(ndigits) The first version returns the nearest

logical_invert(context=None) logical_invert() is a logical operation. The result is the digit-wise inversion of

statistics.median(data) Return the median (middle value) of numeric data, using the common “mean of middle two” method. If data

cmath.rect(r, phi) Return the complex number x with polar coordinates r and phi. Equivalent to r

random.paretovariate(alpha) Pareto distribution. alpha is the shape parameter.

Etop() Returns a value equal to Emax - prec + 1.

decimal.localcontext(ctx=None) Return a context manager that will set the current context for the active thread to a copy of