/// <summary>
/// 建構子
/// </summary>
/// <param name="elementType"></param>
/// <param name="variable"></param>
public FormulaElement(FormulaElementType elementType, int variable)
{
ElementType = elementType;
Variable = variable;
}
/// <summary>
/// 建構子
/// </summary>
/// <param name="elementType"></param>
/// <param name="operatorChar"></param>
public FormulaElement(FormulaElementType elementType, char operatorChar)
{
ElementType = elementType;
Operator = operatorChar;
}
/// <summary>
/// 建構子
/// </summary>
/// <param name="elementType"></param>
/// <param name="constant"></param>
public FormulaElement(FormulaElementType elementType, double constant)
{
ElementType = elementType;
Constant = constant;
}
