return 0; }
void temperatureConverter() { int choice; double temp, converted;
switch(choice) { case 1: { double exponent; cout << "Enter base: "; cin >> num; cout << "Enter exponent: "; cin >> exponent; result = pow(num, exponent); cout << "\nResult: " << num << "^" << exponent << " = " << result << endl; break; } case 2: cout << "Enter number: "; cin >> num; if(num >= 0) { result = sqrt(num); cout << "\nSquare root of " << num << " = " << result << endl; } else { cout << "\nError: Cannot calculate square root of negative number!\n"; } break; case 3: cout << "Enter angle in degrees: "; cin >> num; result = sin(num * M_PI / 180.0); cout << "\nsin(" << num << "°) = " << result << endl; break; case 4: cout << "Enter angle in degrees: "; cin >> num; result = cos(num * M_PI / 180.0); cout << "\ncos(" << num << "°) = " << result << endl; break; case 5: cout << "Enter angle in degrees: "; cin >> num; if(fmod(num, 180) != 90) { result = tan(num * M_PI / 180.0); cout << "\ntan(" << num << "°) = " << result << endl; } else { cout << "\nError: Tangent undefined for this angle!\n"; } break; default: cout << "\nInvalid choice!\n"; } }
cout << "Enter " << n << " numbers:\n"; for(int i = 0; i < n; i++) { double num; cout << "Number " << (i+1) << ": "; cin >> num; numbers.push_back(num); }