In this article, we are going to learn how to find the power of a number. We will learn about the pow() function which is available in C standard library. The header file required for this function is.

### 1. C Pow() function

The C library function double pow(double num, double x) returns num raised to the power of x.

#### Syntax of pow() fucntion:

```
double pow(double num, double x)
```

#### Parameters

- num : This is the floating point base number value.
- x :This is the floating point power value.

#### Return Value

This function returns the result of raising num to the power x.

### C Program to find power of a number

Let us see our code example to calculate the power of a number.

```
#include <stdio.h>
#include <math.h>
int main()
{
long number, expo, result;
printf("Please enter the number to calculate its power: ");
scanf("%ld", &number);
printf("Please enter the exponent: ");
scanf("%ld", &expo);
result = pow(number, expo);
printf("We just calculated %ld raised to the power %ld = %ld", number, expo, result);
return 0;
}
```

Output

```
Please enter the number to calculate its power: 6
Please enter the exponent: 2
We just calculated 6 raised to the power 2 = 36
```