static bool testConvertationToRPN() { try { RPNParser parser = new RPNParser(); string result = parser.ToRPNRecursive("7*9+2.1*9+5*(8*7-9/3)"); if (result == "7 9 * 2,1 9 * + 5 8 7 * 9 3 / - * + ") { return(true); } else { return(false); } } catch { return(false); } }