C program to find square root of a number

Write a C program to input any number from user and find square root of the given number. How to calculate square root of any number in C programming.

Input number: 9
Output: 3

Required knowledge

Fundamentals of C, Data types, Talking user input in C

Square root

Square root is a number which produces a specified quantity when multiplied by itself.


 * C program to find square root of a number

#include <stdio.h>
#include <math.h>

int main()
    double num, root;

    // Reads the number to find square root
    printf("Enter any number to find square root: ");
    scanf("%lf", &num);

    //Calculates square root of num
    root = sqrt(num);

    printf("Square root of %.2lf = %.2lf", num, root);

    return 0;

Enter any number to find square root: 144
Square root of 144.00 = 12.00

Happy coding ;)

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