#include <iostream> #include <cmath> using namespace std ; void calculator (){ float num1 , num2 ; string opr ; cout << "<<------!This is simple calculator for calculations!----->>" << endl ; cout << "Enter Number: " ; cin >> num1 ; cout << endl ; cout << "choise operation: +,-,*,/, squareRoot(r), square(s): " ; cin >> opr ; cout << endl ; if ( opr == "+" ){ cout << "Enter Number: " ; cin >> num2 ; cout << endl ; cout << "Your result: " << num1 + num2 << endl ; } else if ( opr == "-" ){ cout << "Enter Number: " ; cin >> num2 ; cout << endl ; co...
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