diff --git a/Properties/AssemblyInfo.cs b/Properties/AssemblyInfo.cs
deleted file mode 100644
index 0c27a69..0000000
--- a/Properties/AssemblyInfo.cs
+++ /dev/null
@@ -1,53 +0,0 @@
-using System.Reflection;
-using System.Runtime.InteropServices;
-using System.Windows;
-
-// General Information about an assembly is controlled through the following 
-// set of attributes. Change these attribute values to modify the information
-// associated with an assembly.
-[assembly: AssemblyTitle("WPFCalc")]
-[assembly: AssemblyDescription("")]
-[assembly: AssemblyConfiguration("")]
-[assembly: AssemblyCompany("")]
-[assembly: AssemblyProduct("WPFCalc")]
-[assembly: AssemblyCopyright("Copyright ©  2019")]
-[assembly: AssemblyTrademark("")]
-[assembly: AssemblyCulture("")]
-
-// Setting ComVisible to false makes the types in this assembly not visible 
-// to COM components.  If you need to access a type in this assembly from 
-// COM, set the ComVisible attribute to true on that type.
-[assembly: ComVisible(false)]
-
-//In order to begin building localizable applications, set 
-//<UICulture>CultureYouAreCodingWith</UICulture> in your .csproj file
-//inside a <PropertyGroup>.  For example, if you are using US english
-//in your source files, set the <UICulture> to en-US.  Then uncomment
-//the NeutralResourceLanguage attribute below.  Update the "en-US" in
-//the line below to match the UICulture setting in the project file.
-
-//[assembly: NeutralResourcesLanguage("en-US", UltimateResourceFallbackLocation.Satellite)]
-
-
-[assembly: ThemeInfo(
-    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
-                                     //(used if a resource is not found in the page, 
-                                     // or application resource dictionaries)
-    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
-                                              //(used if a resource is not found in the page, 
-                                              // app, or any theme specific resource dictionaries)
-)]
-
-
-// Version information for an assembly consists of the following four values:
-//
-//      Major Version
-//      Minor Version 
-//      Build Number
-//      Revision
-//
-// You can specify all the values or you can default the Build and Revision Numbers 
-// by using the '*' as shown below:
-// [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
diff --git a/Tests/Tests.csproj b/Tests/Tests.csproj
index 502f5cc..450dc3c 100644
--- a/Tests/Tests.csproj
+++ b/Tests/Tests.csproj
@@ -1,7 +1,7 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
 
     <IsPackable>false</IsPackable>
   </PropertyGroup>
diff --git a/WPFCalc.csproj b/WPFCalc.csproj
index 8e942a4..a5afa53 100644
--- a/WPFCalc.csproj
+++ b/WPFCalc.csproj
@@ -1,6 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="14.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-  <Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
     <Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
@@ -9,10 +8,11 @@
     <AppDesignerFolder>Properties</AppDesignerFolder>
     <RootNamespace>WPFCalc</RootNamespace>
     <AssemblyName>WPFCalc</AssemblyName>
-    <TargetFrameworkVersion>v4.8</TargetFrameworkVersion>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
     <FileAlignment>512</FileAlignment>
     <ProjectTypeGuids>{60dc8134-eba5-43b8-bcc9-bb4bc16c2548};{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}</ProjectTypeGuids>
     <WarningLevel>4</WarningLevel>
+    <UseWPF>true</UseWPF>
     <AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
     <TargetFrameworkProfile />
   </PropertyGroup>
@@ -35,6 +35,12 @@
     <ErrorReport>prompt</ErrorReport>
     <WarningLevel>4</WarningLevel>
   </PropertyGroup>
+  <ItemGroup>
+    <Compile Remove="Tests\**" />
+    <EmbeddedResource Remove="Tests\**" />
+    <None Remove="Tests\**" />
+    <Page Remove="Tests\**" />
+  </ItemGroup>
   <ItemGroup>
     <Reference Include="System" />
     <Reference Include="System.Data" />
@@ -43,67 +49,11 @@
     <Reference Include="System.Core" />
     <Reference Include="System.Xml.Linq" />
     <Reference Include="System.Data.DataSetExtensions" />
-    <Reference Include="System.Net.Http" />
-    <Reference Include="System.Xaml">
-      <RequiredTargetFramework>4.0</RequiredTargetFramework>
-    </Reference>
     <Reference Include="WindowsBase" />
     <Reference Include="PresentationCore" />
     <Reference Include="PresentationFramework" />
   </ItemGroup>
-  <ItemGroup>
-    <ApplicationDefinition Include="App.xaml">
-      <Generator>MSBuild:Compile</Generator>
-      <SubType>Designer</SubType>
-    </ApplicationDefinition>
-    <Compile Include="Operations.cs" />
-    <Compile Include="Utils\ExtMethods.cs" />
-    <Page Include="MainWindow.xaml">
-      <Generator>MSBuild:Compile</Generator>
-      <SubType>Designer</SubType>
-    </Page>
-    <Compile Include="App.xaml.cs">
-      <DependentUpon>App.xaml</DependentUpon>
-      <SubType>Code</SubType>
-    </Compile>
-    <Compile Include="MainWindow.xaml.cs">
-      <DependentUpon>MainWindow.xaml</DependentUpon>
-      <SubType>Code</SubType>
-    </Compile>
-  </ItemGroup>
-  <ItemGroup>
-    <Compile Include="Properties\AssemblyInfo.cs">
-      <SubType>Code</SubType>
-    </Compile>
-    <Compile Include="Properties\Resources.Designer.cs">
-      <AutoGen>True</AutoGen>
-      <DesignTime>True</DesignTime>
-      <DependentUpon>Resources.resx</DependentUpon>
-    </Compile>
-    <Compile Include="Properties\Settings.Designer.cs">
-      <AutoGen>True</AutoGen>
-      <DependentUpon>Settings.settings</DependentUpon>
-      <DesignTimeSharedInput>True</DesignTimeSharedInput>
-    </Compile>
-    <EmbeddedResource Include="Properties\Resources.resx">
-      <Generator>ResXFileCodeGenerator</Generator>
-      <LastGenOutput>Resources.Designer.cs</LastGenOutput>
-    </EmbeddedResource>
-    <None Include="Properties\Settings.settings">
-      <Generator>SettingsSingleFileGenerator</Generator>
-      <LastGenOutput>Settings.Designer.cs</LastGenOutput>
-    </None>
-    <AppDesigner Include="Properties\" />
-  </ItemGroup>
   <ItemGroup>
     <None Include="App.config" />
   </ItemGroup>
-  <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
 </Project>
\ No newline at end of file