What is float data type ?

A float is a data type and it also a keyword which is used to declare a variable as a real constant. The float data type occupies four bytes (32 bits) in memory. The range of float data type from -3.4e38 to +3.4e38. Format specifier of float data type is ‘%f’.

Syntax:

            float variable_name;

Ex:

     float average, percentage;

Program: Find the average of 5 real numbers.

#include<stdio.h>

#include<conio.h>

void main()

{

     float a, b, c, d, e;

     float average;

     printf(“Enter Five Real Numbers : “);

     scanf(“%f%f%f%f%f”,&a, &b, &c, &d, &e);

     average = ( a + b + c + d + e ) / 5.0;

     printf(“Average = %f”, average);

     getch();

}

Output:

Enter Five Real Number : 1.203 2.403 12.45 10.46 21.89

Average = 9.681200