public static void BaseCalculation(List <double> TempNumbers, List <string> TempSigns) { Divide1.CalculateDivideOperations(TempNumbers, TempSigns); Multiply1.CalculateMultiplyOperations(TempNumbers, TempSigns); Minus1.CalculateMinusOperations(TempNumbers, TempSigns); Plus1.CalculatePlusOperations(TempNumbers, TempSigns); }