Numeric solution for ln (), log (), e^()

Question

I know i could use math.h but i wanna know how that works actually the numeric way

Answer 1

okay cool and how about log and ln

Answer 2

#push

Answer 3

n! is 1*2*3*4*...*(n-1)*n.

Answer 4

I think that they are computed using infinite series.

For example:
e^x = 1 + x + x^2/(2!) + x^3/(3!) + x^4/(4!) + ...