diff --git a/EveCalc.UI/App.xaml b/EveCalc.UI/App.xaml
new file mode 100644
index 0000000..163f3aa
--- /dev/null
+++ b/EveCalc.UI/App.xaml
@@ -0,0 +1,9 @@
+<Application x:Class="EveCalc.UI.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:EveCalc.UI"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>
diff --git a/EveCalc.UI/App.xaml.cs b/EveCalc.UI/App.xaml.cs
new file mode 100644
index 0000000..1df617e
--- /dev/null
+++ b/EveCalc.UI/App.xaml.cs
@@ -0,0 +1,17 @@
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Data;
+using System.Linq;
+using System.Threading.Tasks;
+using System.Windows;
+
+namespace EveCalc.UI
+{
+    /// <summary>
+    /// Interaction logic for App.xaml
+    /// </summary>
+    public partial class App : Application
+    {
+    }
+}
diff --git a/EveCalc.UI/AssemblyInfo.cs b/EveCalc.UI/AssemblyInfo.cs
new file mode 100644
index 0000000..8b5504e
--- /dev/null
+++ b/EveCalc.UI/AssemblyInfo.cs
@@ -0,0 +1,10 @@
+using System.Windows;
+
+[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)
+)]
diff --git a/EveCalc.UI/EveCalc.UI.csproj b/EveCalc.UI/EveCalc.UI.csproj
new file mode 100644
index 0000000..db404c0
--- /dev/null
+++ b/EveCalc.UI/EveCalc.UI.csproj
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk.WindowsDesktop">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net5.0-windows</TargetFramework>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+</Project>
diff --git a/EveCalc.UI/MainWindow.xaml b/EveCalc.UI/MainWindow.xaml
new file mode 100644
index 0000000..424dd96
--- /dev/null
+++ b/EveCalc.UI/MainWindow.xaml
@@ -0,0 +1,12 @@
+<Window x:Class="EveCalc.UI.MainWindow"
+        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+        xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+        xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+        xmlns:local="clr-namespace:EveCalc.UI"
+        mc:Ignorable="d"
+        Title="MainWindow" Height="450" Width="800">
+    <Grid>
+
+    </Grid>
+</Window>
diff --git a/EveCalc.UI/MainWindow.xaml.cs b/EveCalc.UI/MainWindow.xaml.cs
new file mode 100644
index 0000000..a68d2a1
--- /dev/null
+++ b/EveCalc.UI/MainWindow.xaml.cs
@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+using System.Windows.Documents;
+using System.Windows.Input;
+using System.Windows.Media;
+using System.Windows.Media.Imaging;
+using System.Windows.Navigation;
+using System.Windows.Shapes;
+
+namespace EveCalc.UI
+{
+    /// <summary>
+    /// Interaction logic for MainWindow.xaml
+    /// </summary>
+    public partial class MainWindow : Window
+    {
+        public MainWindow()
+        {
+            InitializeComponent();
+        }
+    }
+}
diff --git a/EveCalc.sln b/EveCalc.sln
new file mode 100644
index 0000000..811da8d
--- /dev/null
+++ b/EveCalc.sln
@@ -0,0 +1,25 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.30907.101
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "EveCalc.UI", "EveCalc.UI\EveCalc.UI.csproj", "{48C3E1AC-0478-44AF-AC1B-0E694DCBF9AD}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{48C3E1AC-0478-44AF-AC1B-0E694DCBF9AD}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{48C3E1AC-0478-44AF-AC1B-0E694DCBF9AD}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{48C3E1AC-0478-44AF-AC1B-0E694DCBF9AD}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{48C3E1AC-0478-44AF-AC1B-0E694DCBF9AD}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {521FB01D-8FFC-4F3D-9A94-AA0C7C1DE075}
+	EndGlobalSection
+EndGlobal