Is Objective-C Euler Number?

Question

How would you use the Euler number (e) in Objective-C?

Answer 1

M_Edeclared in <math.h>is the value of the Euler number. You can use the function exp()also declared in math.hfor calculation e^x.

Answer 2

I think the constant M_Edefined in <math.h>is what you are looking for.