In this tutorial we are going to learn writing C Program to calculate the square of given number. This program is going to be very simple because we just have to calculate square of number. Before moving towards writing program let’s know about square.
What is square of number?
When number is multiplied to itself, result is know as square of that number.
For example
square of 3 = 3^2 = 3*3 = 9
So, the square of 3 is 9.
How our program will behave?
- Our program will take one integer value as an input.
- Then this number will multiply to itself by using multiplication(*) operator.
- After multiplication resulted value will be square of that number.
Program to calculate square of number in C
#include <stdio.h>
int main() {
float num,square;
printf("Enter a number to calculate square: ");
scanf("%f", &num);
square = num * num;
printf("Square of %.2f = %.2f",num, square);
return 0;
}
Output :
Enter a number to calculate square: 4
Square of 4.00 = 16.00
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