ln(context=None) Return the natural (base e) logarithm of the operand. The result is correctly rounded using the ROUND_HALF_EVEN

is_infinite(x) Returns True if x is infinite; otherwise returns False.

statistics.mode(data) Return the most common data point from discrete or nominal data. The mode (when it exists) is

decimal.setcontext(c) Set the current context for the active thread to c.

radix() Return Decimal(10), the radix (base) in which the Decimal class does all its arithmetic. Included

scaleb(x, y) Returns the first operand after adding the second value its exp.

math.atan2(y, x) Return atan(y / x), in radians. The result is between -pi and pi. The

random.choice(seq) Return a random element from the non-empty sequence seq. If seq is empty, raises

max(x, y) Compares two values numerically and returns the maximum.

math.e The mathematical constant e = 2.718281..., to available precision.