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diff --git a/zackertypical/Calculator/Calculator.sln b/zackertypical/Calculator/Calculator.sln
new file mode 100644
index 00000000..68061759
--- /dev/null
+++ b/zackertypical/Calculator/Calculator.sln
@@ -0,0 +1,41 @@
+
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+EndProject
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+EndProject
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+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|x64 = Debug|x64
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+		{728B9E17-A736-45E9-A7A2-590A3E3CCA6C}.Release|x86.ActiveCfg = Release|Win32
+		{728B9E17-A736-45E9-A7A2-590A3E3CCA6C}.Release|x86.Build.0 = Release|Win32
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diff --git a/zackertypical/Calculator/Calculator/Calculator.cpp b/zackertypical/Calculator/Calculator/Calculator.cpp
new file mode 100644
index 00000000..fb6fc384
Binary files /dev/null and b/zackertypical/Calculator/Calculator/Calculator.cpp differ
diff --git a/zackertypical/Calculator/Calculator/Calculator.h b/zackertypical/Calculator/Calculator/Calculator.h
new file mode 100644
index 00000000..147c7904
--- /dev/null
+++ b/zackertypical/Calculator/Calculator/Calculator.h
@@ -0,0 +1,18 @@
+#pragma once
+#include "stdafx.h"
+#include <stack>
+#include <vector>
+#include <iostream>
+#include "stdlib.h"
+#include <ctime>
+#include <string>  
+using namespace std;
+
+class Calculator {
+private:
+	string op[4] = { "+", "-", "*", "/" };
+public:
+	Calculator();
+	string MakeFormula();
+	string Solve(string formula);
+};
\ No newline at end of file
diff --git a/zackertypical/Calculator/Calculator/Calculator.vcxproj b/zackertypical/Calculator/Calculator/Calculator.vcxproj
new file mode 100644
index 00000000..cc91217b
--- /dev/null
+++ b/zackertypical/Calculator/Calculator/Calculator.vcxproj
@@ -0,0 +1,162 @@
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+    <ProjectConfiguration Include="Release|Win32">
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+    <ConfigurationType>Application</ConfigurationType>
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+    <CharacterSet>Unicode</CharacterSet>
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+    <CharacterSet>Unicode</CharacterSet>
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+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
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+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
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+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
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+    <LinkIncremental>false</LinkIncremental>
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+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
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+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>Use</PrecompiledHeader>
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+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
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+    <ClCompile>
+      <PrecompiledHeader>Use</PrecompiledHeader>
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+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
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+    <Link>
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+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
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+    <ClInclude Include="stdafx.h" />
+    <ClInclude Include="targetver.h" />
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+    <ClCompile Include="stdafx.cpp">
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">Create</PrecompiledHeader>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">Create</PrecompiledHeader>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">Create</PrecompiledHeader>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Create</PrecompiledHeader>
+    </ClCompile>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
\ No newline at end of file
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new file mode 100644
index 00000000..41f3c5f7
--- /dev/null
+++ b/zackertypical/Calculator/Calculator/Calculator.vcxproj.filters
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
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+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
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+    <Filter Include="头文件">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;hm;inl;inc;xsd</Extensions>
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+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="stdafx.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
+    <ClInclude Include="targetver.h">
+      <Filter>头文件</Filter>
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+    <ClInclude Include="Calculator.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="stdafx.cpp">
+      <Filter>源文件</Filter>
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+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/zackertypical/Calculator/Calculator/Debug/Calculator.log b/zackertypical/Calculator/Calculator/Debug/Calculator.log
new file mode 100644
index 00000000..ed9609c6
--- /dev/null
+++ b/zackertypical/Calculator/Calculator/Debug/Calculator.log
@@ -0,0 +1,3 @@
+  Calculator.cpp
+c:\users\庄廓然\documents\_软件工程\calculator\zackertypical\calculator\calculator\calculator.cpp(90): warning C4018: “<”: 有符号/无符号不匹配
+  Calculator.vcxproj -> C:\Users\庄廓然\Documents\_软件工程\Calculator\zackertypical\Calculator\Debug\Calculator.exe
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new file mode 100644
index 00000000..433a9136
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+++ b/zackertypical/Calculator/Calculator/Debug/Calculator.tlog/Calculator.lastbuildstate
@@ -0,0 +1,2 @@
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index 00000000..f3b04eee
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@@ -0,0 +1,176 @@
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+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>true</LinkIncremental>
+  </PropertyGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <PrecompiledHeader>Use</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <AdditionalIncludeDirectories>$(VCInstallDir)UnitTest\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>WIN32;_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <UseFullPaths>true</UseFullPaths>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <AdditionalLibraryDirectories>$(VCInstallDir)UnitTest\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalDependencies>..\Calculator\Debug\Calculator.obj;..\Calculator\Debug\stdafx.obj;%(AdditionalDependencies)</AdditionalDependencies>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <PrecompiledHeader>Use</PrecompiledHeader>
+      <WarningLevel>Level3</WarningLevel>
+      <Optimization>Disabled</Optimization>
+      <AdditionalIncludeDirectories>$(VCInstallDir)UnitTest\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>_DEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <UseFullPaths>true</UseFullPaths>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <AdditionalLibraryDirectories>$(VCInstallDir)UnitTest\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>Use</PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <AdditionalIncludeDirectories>$(VCInstallDir)UnitTest\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>WIN32;NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <UseFullPaths>true</UseFullPaths>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <AdditionalLibraryDirectories>$(VCInstallDir)UnitTest\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <PrecompiledHeader>Use</PrecompiledHeader>
+      <Optimization>MaxSpeed</Optimization>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <AdditionalIncludeDirectories>$(VCInstallDir)UnitTest\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <UseFullPaths>true</UseFullPaths>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <AdditionalLibraryDirectories>$(VCInstallDir)UnitTest\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClInclude Include="stdafx.h" />
+    <ClInclude Include="targetver.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="stdafx.cpp">
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">Create</PrecompiledHeader>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">Create</PrecompiledHeader>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">Create</PrecompiledHeader>
+      <PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|x64'">Create</PrecompiledHeader>
+    </ClCompile>
+    <ClCompile Include="unittest1.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ProjectReference Include="..\Calculator\Calculator.vcxproj">
+      <Project>{ad0d8876-f9e3-4915-b8e4-8dd98cb62382}</Project>
+    </ProjectReference>
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
\ No newline at end of file
diff --git a/zackertypical/Calculator/CalculatorUnitTest/CalculatorUnitTest.vcxproj.filters b/zackertypical/Calculator/CalculatorUnitTest/CalculatorUnitTest.vcxproj.filters
new file mode 100644
index 00000000..11980ad2
--- /dev/null
+++ b/zackertypical/Calculator/CalculatorUnitTest/CalculatorUnitTest.vcxproj.filters
@@ -0,0 +1,33 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="源文件">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="头文件">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;hm;inl;inc;xsd</Extensions>
+    </Filter>
+    <Filter Include="资源文件">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="stdafx.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
+    <ClInclude Include="targetver.h">
+      <Filter>头文件</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="stdafx.cpp">
+      <Filter>源文件</Filter>
+    </ClCompile>
+    <ClCompile Include="unittest1.cpp">
+      <Filter>源文件</Filter>
+    </ClCompile>
+  </ItemGroup>
+</Project>
\ No newline at end of file
diff --git a/zackertypical/Calculator/CalculatorUnitTest/Debug/Calculat.728B9E17.tlog/CL.command.1.tlog b/zackertypical/Calculator/CalculatorUnitTest/Debug/Calculat.728B9E17.tlog/CL.command.1.tlog
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new file mode 100644
index 00000000..433a9136
--- /dev/null
+++ b/zackertypical/Calculator/CalculatorUnitTest/Debug/Calculat.728B9E17.tlog/CalculatorUnitTest.lastbuildstate
@@ -0,0 +1,2 @@
+#TargetFrameworkVersion=v4.0:PlatformToolSet=v141:EnableManagedIncrementalBuild=false:VCToolArchitecture=Native32Bit:WindowsTargetPlatformVersion=10.0.16299.0
+Debug|Win32|C:\Users\庄廓然\Documents\_软件工程\Calculator\zackertypical\Calculator\|
diff --git a/zackertypical/Calculator/CalculatorUnitTest/Debug/Calculat.728B9E17.tlog/CalculatorUnitTest.write.1u.tlog b/zackertypical/Calculator/CalculatorUnitTest/Debug/Calculat.728B9E17.tlog/CalculatorUnitTest.write.1u.tlog
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diff --git a/zackertypical/Calculator/CalculatorUnitTest/Debug/CalculatorUnitTest.log b/zackertypical/Calculator/CalculatorUnitTest/Debug/CalculatorUnitTest.log
new file mode 100644
index 00000000..59266210
--- /dev/null
+++ b/zackertypical/Calculator/CalculatorUnitTest/Debug/CalculatorUnitTest.log
@@ -0,0 +1,2 @@
+  unittest1.cpp
+  CalculatorUnitTest.vcxproj -> C:\Users\庄廓然\Documents\_软件工程\Calculator\zackertypical\Calculator\Debug\CalculatorUnitTest.dll
diff --git a/zackertypical/Calculator/CalculatorUnitTest/Debug/vc141.idb b/zackertypical/Calculator/CalculatorUnitTest/Debug/vc141.idb
new file mode 100644
index 00000000..5abb9eeb
Binary files /dev/null and b/zackertypical/Calculator/CalculatorUnitTest/Debug/vc141.idb differ
diff --git a/zackertypical/Calculator/CalculatorUnitTest/Debug/vc141.pdb b/zackertypical/Calculator/CalculatorUnitTest/Debug/vc141.pdb
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diff --git a/zackertypical/Calculator/CalculatorUnitTest/stdafx.cpp b/zackertypical/Calculator/CalculatorUnitTest/stdafx.cpp
new file mode 100644
index 00000000..a0031370
--- /dev/null
+++ b/zackertypical/Calculator/CalculatorUnitTest/stdafx.cpp
@@ -0,0 +1,8 @@
+// stdafx.cpp : ֻ������׼�����ļ���Դ�ļ�
+// CalculatorUnitTest.pch ����ΪԤ����ͷ
+// stdafx.obj ������Ԥ����������Ϣ
+
+#include "stdafx.h"
+
+// TODO:  �� STDAFX.H �������κ�����ĸ���ͷ�ļ���
+//�������ڴ��ļ�������
diff --git a/zackertypical/Calculator/CalculatorUnitTest/stdafx.h b/zackertypical/Calculator/CalculatorUnitTest/stdafx.h
new file mode 100644
index 00000000..3a1e49d2
--- /dev/null
+++ b/zackertypical/Calculator/CalculatorUnitTest/stdafx.h
@@ -0,0 +1,13 @@
+// stdafx.h : ��׼ϵͳ�����ļ��İ����ļ���
+// ���Ǿ���ʹ�õ��������ĵ�
+// �ض�����Ŀ�İ����ļ�
+//
+
+#pragma once
+
+#include "targetver.h"
+
+// ���� CppUnitTest ��ͷ�ļ�
+#include "CppUnitTest.h"
+
+// TODO: �ڴ˴����ó�����Ҫ������ͷ�ļ�
diff --git a/zackertypical/Calculator/CalculatorUnitTest/targetver.h b/zackertypical/Calculator/CalculatorUnitTest/targetver.h
new file mode 100644
index 00000000..416cebf8
--- /dev/null
+++ b/zackertypical/Calculator/CalculatorUnitTest/targetver.h
@@ -0,0 +1,8 @@
+#pragma once
+
+// ���� SDKDDKVer.h ��������õ���߰汾�� Windows ƽ̨��
+
+// ���ҪΪ��ǰ�� Windows ƽ̨����Ӧ�ó�������� WinSDKVer.h������
+// �� _WIN32_WINNT ������ΪҪ֧�ֵ�ƽ̨��Ȼ���ٰ��� SDKDDKVer.h��
+
+#include <SDKDDKVer.h>
diff --git a/zackertypical/Calculator/CalculatorUnitTest/unittest1.cpp b/zackertypical/Calculator/CalculatorUnitTest/unittest1.cpp
new file mode 100644
index 00000000..4e64bd7d
--- /dev/null
+++ b/zackertypical/Calculator/CalculatorUnitTest/unittest1.cpp
@@ -0,0 +1,23 @@
+#include "stdafx.h"
+#include "CppUnitTest.h"
+#include "../Calculator/Calculator.h"
+
+using namespace Microsoft::VisualStudio::CppUnitTestFramework;
+
+namespace CalculatorUnitTest
+{		
+	TEST_CLASS(UnitTest1)
+	{
+	public:
+		
+		TEST_METHOD(TestMethod1)
+		{
+			Calculator* calc = new Calculator();
+			string ret = calc->Solve("3+10+4-16");
+			Assert::AreEqual(ret, (string)"3+10+4-16=1");
+			ret =  calc->Solve("11*15-5");
+			Assert::AreEqual(ret, (string)"11*15-5=160");
+		}
+
+	};
+}
\ No newline at end of file
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diff --git a/zackertypical/Calculator/Debug/CalculatorUnitTest.exp b/zackertypical/Calculator/Debug/CalculatorUnitTest.exp
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diff --git "a/zackertypical/Calculator/\346\212\245\345\221\21220190224-1605.diagsession" "b/zackertypical/Calculator/\346\212\245\345\221\21220190224-1605.diagsession"
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diff --git "a/zackertypical/Calculator/\346\212\245\345\221\21220190224-1605.vspx" "b/zackertypical/Calculator/\346\212\245\345\221\21220190224-1605.vspx"
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