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

is_canonical(x) Returns True if x is canonical; otherwise returns False.

is_zero(x) Returns True if x is a zero; otherwise returns False.

copy_decimal(num) Return a copy of the Decimal instance num.

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

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

statistics.mean(data) Return the sample arithmetic mean of data, a sequence or iterator of real-valued numbers.

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

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

imag Abstract. Retrieves the imaginary component of this number.