Code For Calculator In C Code Example
Example 1: c calculator program # include <stdio.h> int main ( ) { char operator ; double first , second ; printf ( "Enter an operator (+, -, *,): " ) ; scanf ( "%c" , & operator ) ; printf ( "Enter two operands: " ) ; scanf ( "%lf %lf" , & first , & second ) ; switch ( operator ) { case '+' : printf ( "%.1lf + %.1lf = %.1lf" , first , second , first + second ) ; break ; case '-' : printf ( "%.1lf - %.1lf = %.1lf" , first , second , first - second ) ; break ; case '*' : printf ( "%.1lf * %.1lf = %.1lf" , first , second , first * second ) ; break ; case '/' : printf ( "%.1lf / %.1lf = %.1lf" , first , second , first / second ) ; break ; // operator doesn't match any case constant