#include <stdio.h>
int main() {
char operator;
double num1, num2, result;
// Step 1: Request the mathematical operator from the user
printf("Enter an operator (+, -, *, /): ");
scanf("%c", &operator);
// Step 2: Request the two numeric operands
printf("Enter two numbers: ");
scanf("%lf %lf", &num1, &num2);
// Step 3: Evaluate the operator and compute the result
switch (operator) {
case '+':
result = num1 + num2;
printf("%.2lf + %.2lf = %.2lf\n", num1, num2, result);
break;
case '-':
result = num1 - num2;
printf("%.2lf - %.2lf = %.2lf\n", num1, num2, result);
break;
case '*':
result = num1 * num2;
printf("%.2lf * %.2lf = %.2lf\n", num1, num2, result);
break;
case '/':
// Edge case validation: avoid division by zero
if (num2 != 0.0) {
result = num1 / num2;
printf("%.2lf / %.2lf = %.2lf\n", num1, num2, result);
} else {
printf("Error! Division by zero is not allowed.\n");
}
break;
// Triggers if the user types an invalid math symbol
default:
printf("Error! Invalid operator entered.\n");
}
return 0;
}