diff --git a/ExampleModules.nix b/ExampleModules.nix
index d5a6813..d078c37 100644
--- a/ExampleModules.nix
+++ b/ExampleModules.nix
@@ -183,6 +183,49 @@
 
         };
 
+        Calculator = pkgs.stdenvNoCC.mkDerivation {
+
+            name = "Calculator";
+
+            src = ./.;
+
+            imgui = inputs.imgui;
+
+            nativeBuildInputs = with pkgs; [
+                clang
+            ];
+
+            buildInputs = with pkgs; [
+                glfw
+                glew
+            ];
+
+            buildPhase = ''
+                clang++ \
+                ${inputs.Archimedes-Modules}/Calculator/*.cpp \
+                modules/WindowModule/*.cpp \
+                modules/ImguiModule/*.cpp \
+                $imgui/backends/imgui_impl_glfw.cpp \
+                $imgui/backends/imgui_impl_opengl3.cpp \
+                $imgui/misc/cpp/*.cpp \
+                $imgui/*.cpp \
+                -DRENDERER=1 \
+                -DWINDOW=1 \
+                -DCALCULATOR_DYNAMIC \
+                -fpic -shared \
+                -I include -I $imgui -I . \
+                -lGL -lglfw -lGLEW \
+                -Wall \
+                -o $name 
+            ''; 
+
+            installPhase = ''
+                mkdir -p $out/bin
+                cp $name $out/bin
+            '';
+
+        };
+
         TestClay = pkgs.stdenvNoCC.mkDerivation {
 
             name = "TestClay";