Exponential Function without exp() function

Background info:

The exponential function can be defined.

but i keep getting wrong values.

Answer 1

[Roger Stafford]

You have done two things incorrectly here, Karen. First, your required loop was to be unbounded and yet you placed a bound of fifty on it. It should be the limit of 0.001 alone that brings the loop to a halt. Second, you did not accumulate the required sum. Each y you obtain is merely that of a single term of the series. There should be an summation of all these terms you have computed which is not the same as just these individual terms themselves.