Calculator

//  Calculator
//  Date : 28.06.19
#include<stdio.h>

int main(){
    char ch;
    double a, b;
    printf("Enter operator: (+, -, *, /)");
    scanf("%c", &ch);
    printf("Enter two number : ");
    scanf("%lf %lf", &a, &b);

    if(ch == '+') printf("%.2f + %.2f = %.2f", a, b,(a+b));
    else if(ch == '-') printf("%.2f - %.2f = %.2f", a, b,(a-b));
    else if(ch == '*') printf("%.2f * %.2f = %.2f", a, b,(a*b));
    else if(ch == '/') printf("%.2f + %.2f = %.2f", a, b,(a/b));
    else printf("Error!! Operator is not correct.\n");
}