#include <iostream>
#include "uCalc.h"

using namespace std;
using namespace uCalcSoftware;

int main() {
   uCalc uc;
   uc.DefineVariable("principal = 5000");
   uc.DefineVariable("rate = 0.05");
   uc.DefineVariable("years = 4");
   cout << "Interest: " << uc.EvalStr("principal * rate * years") << endl;
}