if the function is not a built-in, you have to import the module it is contained in. See python library, and the list of built-ins.

Jan 20, 2022 · I need to calculate the square root of some numbers, for example √9 = 3 and √2 = 1.4142. How can I do it in Python? The inputs will probably be all positive integers, and relatively …

Aug 25, 2016 · How can I write 1-e^ (-value1^2/2*value2^2) in Python? I don't know how to use power operator and e.

Sep 17, 2013 · 0 The modules like math, time, gc are not written in python and as rightly said in above answers that they are somewhere (written or moduled) within python interpreter. If you import sys …

Mar 26, 2012 · 235 Python includes two functions in the math package; radians converts degrees to radians, and degrees converts radians to degrees. To match the output of your calculator you need:

Jan 1, 2010 · I can't understand why Python doesn't have a sign function. It has an abs builtin (which I consider sign 's sister), but no sign. In python 2.6 there is even a copysign function (in math), but no …

Jun 15, 2010 · I want to find the square root of a number without using the math module,as i need to call the function some 20k times and dont want to slow down the execution by linking to the math module …

Nov 11, 2012 · Is there a library function that can enumerate the prime numbers (in sequence) in Python? I found this question Fastest way to list all primes below N but I'd rather use someone else's …

Jul 19, 2019 · I'm working on a system which doesn't have the math module available. All "Math" functions installed (math.ceil(), math.round(), etc all produce errors). I have even tried using import …

Is there a built-in nCr (n choose r) function included in the Python math library like the one shown below? I understand that the computation can be programmed, but I thought I'd check to see if it's …