diff --git a/Cargo.toml b/Cargo.toml
index 6584271..2dcaf97 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,3 +6,26 @@ edition = "2024"
 [dependencies]
 eframe = "0.33.0"
 egui_extras = "0.33.0"
+
+[package.metadata.deb]
+maintainer = "Letellier thomas.letellier2812@gmail.com"
+copyright = "2025, Letellier"
+license-file = ["LICENSE.txt", "4"]
+extended-description = """
+A graphical calculator application made to complete my debian system since there is no calculator in the software minimum tool package.
+"""
+depends = "$auto"
+section = "utility"
+priority = "optional"
+assets = [
+    ["target/release/calculator", "usr/bin/", "755"],
+    ["README.md", "usr/share/doc/hatmos-calculator/", "644"],
+]
+
+# Si vous avez une interface graphique
+[package.metadata.deb.variants.gui]
+assets = [
+    ["target/release/calculator", "usr/bin/", "755"],
+    ["assets/calculator.desktop", "usr/share/applications/", "644"],
+    ["assets/icon.png", "usr/share/icons/hicolor/256x256/apps/hatmos-calculator.png", "644"],
+]
diff --git a/LICENSE.txt b/LICENSE.txt
new file mode 100644
index 0000000..75f5eb3
--- /dev/null
+++ b/LICENSE.txt
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 Letellier
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..9f585f4
--- /dev/null
+++ b/README.md
@@ -0,0 +1,4 @@
+#Hatmos Calculator
+
+This application was created because there were no calculator on my system.
+This software is licensed under the MIT License, feel free to use it in the respect of this license.
diff --git a/assets/.desktop b/assets/.desktop
new file mode 100644
index 0000000..e9475c6
--- /dev/null
+++ b/assets/.desktop
@@ -0,0 +1,9 @@
+[Desktop Entry]
+Version=1.0
+Type=Application
+Name=Calculator-H
+Comment=Small Calculator because i don't have one
+Exec=Hatmos-Calculator
+Icon=Calculator of Hatmos
+Terminal=false
+Categories=Utility;