Double format specifier : %f, %e or %E Example Program

C Programming Language / Overview of C Language

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Program:

#include <stdio.h> 
int main() 
{ 
    float a = 12.67; 
    printf("%f\n", a); 
    printf("%e\n", a); 
    return 0; 
}

Output:

12.670000
1.267000e+01

Explanation:

The %f format specifier is implemented for representing fractional values. This is implemented within printf() function for printing the fractional or floating value stored in the variable. Whenever you need to print any fractional or floating data, you have to use %f format specifier.

Syntax:
printf("%f", <variable name>);

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