C Tutorial/math.h/exp2
exp2
Item Value Header file math.h Declaration float exp2f(float arg);double exp2(double arg);long double exp2l(long double arg); Return returns 2 raised to the arg power.
#include <math.h>
#include <stdio.h>
int main(void)
{
printf("Value of e to the first: %f.", exp2(1.0));
}