private void AppendTermToFormula(Term term)
        {
            // If we are processing the first term, and the operation is not Addition, display the implicit first 0 in the results
            if (_formula.Length == 0 && term.Operation != Operations.Addition)
            {
                _formula.Append("0");
            }

            // Append the operation symbol if the current formula has any previous value
            if (_formula.Length > 0)
            {
                _formula.Append(OperationsHelper.GetOperationSymbol(term.Operation));
            }

            // Append the actual value to the formula
            _formula.Append(term.Value.ToString());
        }