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.

<source lang="cpp">#include <math.h>

 #include <stdio.h>
 int main(void)
 {
    printf("Value of e to the first: %f.", exp2(1.0));
 }</source>