math.isfinite(x) Return True if x is neither an infinity nor a NaN, and False otherwise.

class numbers.Rational Subtypes Real and adds numerator and denominator properties, which

class random.SystemRandom([seed]) Class that uses the

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

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

cmath.atanh(x) Return the inverse hyperbolic tangent of x. There are two branch cuts: One extends from 1

ln(x) Returns the natural (base e) logarithm of x.

adjusted() Return the adjusted exponent after shifting out the coefficient’s rightmost digits until only the lead digit remains:

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

min(x, y) Compares two values numerically and returns the minimum.