math.ceil(x) Return the ceiling of x, the smallest integer greater than or equal to x. If x is not

compare_total_mag(other, context=None) Compare two operands using their abstract representation rather than their value as in

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

math.erfc(x) Return the complementary error function at x. The

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

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

statistics.median_low(data) Return the low median of numeric data. If data is empty, StatisticsError is

is_zero() Return

is_signed() Return

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