copy_negate(x) Returns a copy of x with the sign inverted.

is_finite(x) Returns True if x is finite; otherwise returns False.

to_eng_string(context=None) Convert to a string, using engineering notation if an exponent is needed.

math.fmod(x, y) Return fmod(x, y), as defined by the platform C library. Note that the Python expression x

copy_abs(x) Returns a copy of x with the sign set to 0.

copy() Return a duplicate of the context.

compare_total_mag(x, y) Compares two operands using their abstract representation, ignoring sign.

random.normalvariate(mu, sigma) Normal distribution. mu is the mean, and sigma is the standard deviation.

divmod(x, y) Divides two numbers and returns the integer part of the result.

cmath.exp(x) Return the exponential value e**x.