# Find square and square root for a given number in C

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This simple C program shows how to find square and square root for a given number.

```#include <math.h>   /* for sqrt() function */ #include <stdio.h> int main( ) {     /* variable named x with floating-point data type */     float x;     /* standard output  writing a positive floating number */     printf("\nEnter one positive number (1, 2, 3. . .): ");     /* standard input reading floating number */     scanf("%f", &x);     printf("\nx = %f ", x);     printf("\nSquare for x is = %f", x * x);     // sqrt() is the predefined function, defined in math.h     printf("\nSquare root for x is = %f\n", sqrt(x));     return 0; } ```

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