C# 计算器（加减乘除等算法）

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Text.Regularexpressions;
using System.Collections;

namespace SeriesOfCalculationCalculator
{
    public partial class FrmSeriesOfCalculationCalculator : Form
    {
        private Operation oper;    //操作类型.
        private Operands operandsStored;  //存储操作数容器.
        private Operators operators;    //存储操作符容器.
        private bool hasOperator = false;    //标志是否最后字符为“操作符“.
        private bool isCalculate = false;    //标志是否已计算结果.
        private bool hasPoint = false;  //标志是否已加“.“号.

        public FrmSeriesOfCalculationCalculator（）
        {
            InitializeComponent

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----

    .CA....      2559  2013-05-28 15:26  CalculatorStack\51Aspx源码必读.txt

    .CA....     19456  2017-12-10 14:33  CalculatorStack\bin\Debug\SeriesOfCalculationCalculator.exe

    .CA....     60928  2017-12-10 14:33  CalculatorStack\bin\Debug\SeriesOfCalculationCalculator.pdb

    .CA....     11600  2017-12-10 14:33  CalculatorStack\bin\Debug\SeriesOfCalculationCalculator.vshost.exe

    .CA....       490  2017-11-19 18:55  CalculatorStack\bin\Debug\SeriesOfCalculationCalculator.vshost.exe.manifest

    .CA....     10742  2017-02-19 23:29  CalculatorStack\FrmSeriesOfCalculationCalculator.cs

    .CA....     18007  2017-02-19 23:29  CalculatorStack\FrmSeriesOfCalculationCalculator.Designer.cs

    .CA....      5992  2017-02-19 23:29  CalculatorStack\FrmSeriesOfCalculationCalculator.resx

    .CA....      4945  2007-07-18 10:38  CalculatorStack\from.gif

    .CA....      2867  2017-02-19 00:54  CalculatorStack\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache

    .CA....      6317  2017-12-10 14:33  CalculatorStack\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache

    .CA....      1120  2013-05-24 20:11  CalculatorStack\obj\x86\Debug\GenerateResource.read.1.tlog

    .CA....      2802  2013-05-24 20:11  CalculatorStack\obj\x86\Debug\GenerateResource.write.1.tlog

    .CA....      7897  2013-05-24 20:11  CalculatorStack\obj\x86\Debug\ResolveAssemblyReference.cache

    .CA....      6282  2017-12-10 14:33  CalculatorStack\obj\x86\Debug\SeriesOfCalculationCalculator.csproj.FileListAbsolute.txt

    .CA....      1002  2017-02-20 00:59  CalculatorStack\obj\x86\Debug\SeriesOfCalculationCalculator.csproj.GenerateResource.Cache

    .CA....      9174  2017-12-10 14:33  CalculatorStack\obj\x86\Debug\SeriesOfCalculationCalculator.csprojResolveAssemblyReference.cache

    .CA....     19456  2017-12-10 14:33  CalculatorStack\obj\x86\Debug\SeriesOfCalculationCalculator.exe

    .CA....       180  2017-12-10 14:33  CalculatorStack\obj\x86\Debug\SeriesOfCalculationCalculator.FrmSeriesOfCalculationCalculator.resources

    .CA....     60928  2017-12-10 14:33  CalculatorStack\obj\x86\Debug\SeriesOfCalculationCalculator.pdb

    .CA....       180  2017-12-10 14:33  CalculatorStack\obj\x86\Debug\SeriesOfCalculationCalculator.Properties.Resources.resources

    .CA....       797  2017-02-19 01:21  CalculatorStack\Operands.cs

    .CA....       249  2013-05-24 20:11  CalculatorStack\Operation.cs

    .CA....       326  2013-05-24 20:11  CalculatorStack\OperationAdd.cs

    .CA....       419  2013-05-24 20:11  CalculatorStack\OperationDivide.cs

    .CA....       577  2013-05-24 20:11  CalculatorStack\OperationDividedByOne.cs

    .CA....      1162  2017-03-26 00:37  CalculatorStack\OperationFactory.cs

    .CA....       391  2013-05-24 20:11  CalculatorStack\OperationMod.cs

    .CA....       331  2013-05-24 20:11  CalculatorStack\OperationMultiply.cs

    .CA....       305  2013-05-24 20:11  CalculatorStack\OperationSubtract.cs

............此处省略23个文件信息