calculator

30.calculator.cpp

// 03.calculator.cpp
// juanfc 2025-09-30
//

#include <iostream>
#include <cmath>
using namespace std;

int main()
{
    float a, b, r;
    char op;

    cout << "Enter 2 numbers: " << endl;
    cin >> a >> b;
    cout << "Enter a char for the operation: (+-*/): ";
    cin >> op;

    if (op == '+') {
        r = a + b;
    } else if (op == '-') {
        r = a - b;
    } else if (op == '*') {
        r = a * b;
    } else if (op == '/') {
        r = a / b;
    } else if (op == '^') {
        r = pow(a, b);
    } else {
        cout << "Error: wrong operation, only  +-*/^" << endl;
        r = 0;
    }

    cout << a << " " << op << " " << b << " -> " << r << endl;

  return 0;
}