The form of a floating-point declaration : float Declaration « Data Type « C Tutorial






float   variable;   /* comment */

When using a floating-point number in printf, the %f conversion is used.

To print the expression 1.0/3.0, we use this statement:

#include<stdio.h>

int main(void){
    printf("The answer is %f\n", 1.0/3.0);
}
The answer is 0.333333








2.18.float Declaration
2.18.1.Floating Point variables
2.18.2.The form of a floating-point declaration
2.18.3.Define float variable and output to the console
2.18.4.Define float in In scientific notation (The E notation)
2.18.5.Define float constant value using Macro
2.18.6.Assignment of an integer expression to a floating-point variable.