# Square of middle digit in C

###### scanf() - Question 7

In this question, we will see how to input a three digit number in C programming using the scanf() function and find the square of its middle digit. To know more about scanf() function click on the scanf() function lesson.

**Q7)** Write a program in C to input a three digit number and find the square of its middle digit.

#### Program

```
#include <stdio.h>
#include <conio.h>
int main()
{
int n,md;
printf("Enter a three digit number\n");
scanf("%d",&n);
md=(n/10)%10;
printf("Square of middle digit=%d",md*md);
return 0;
}
```

#### Output

Enter a three digit number 562 Square of middle digit=36