using uCalcSoftware; var uc = new uCalc(); // Define some context for the expression uc.DefineVariable("price = 49.99"); uc.DefineVariable("quantity = 3"); uc.DefineConstant("TAX_RATE = 0.0825"); // Define a format for currency output uc.Format("DataType: Double, Def: result = '$' + result"); // Expression to calculate total price, using variables var expression = "price * quantity * (1 + TAX_RATE)"; // Evaluate with formatting enabled Console.WriteLine($"Formatted Total: {uc.EvalStr(expression, true)}"); // Evaluate with formatting disabled Console.WriteLine($"Raw Total: {uc.EvalStr(expression, false)}");