diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..26d3352
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,3 @@
+# Default ignored files
+/shelf/
+/workspace.xml
diff --git a/.idea/Prog3B.iml b/.idea/Prog3B.iml
new file mode 100644
index 0000000..8b8c395
--- /dev/null
+++ b/.idea/Prog3B.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+  <component name="PyDocumentationSettings">
+    <option name="format" value="PLAIN" />
+    <option name="myDocStringFormat" value="Plain" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/inspectionProfiles/profiles_settings.xml b/.idea/inspectionProfiles/profiles_settings.xml
new file mode 100644
index 0000000..105ce2d
--- /dev/null
+++ b/.idea/inspectionProfiles/profiles_settings.xml
@@ -0,0 +1,6 @@
+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..a971a2c
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.11" project-jdk-type="Python SDK" />
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..c02685d
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/Prog3B.iml" filepath="$PROJECT_DIR$/.idea/Prog3B.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/Praktikumsaufgaben/Moon.py b/Hausaufgaben/Moon.py
similarity index 96%
rename from Praktikumsaufgaben/Moon.py
rename to Hausaufgaben/Moon.py
index 90cdee3..5d5bea9 100644
--- a/Praktikumsaufgaben/Moon.py
+++ b/Hausaufgaben/Moon.py
@@ -1,5 +1,5 @@
 import pygame
-from Praktikumsaufgaben.compute import matmul, rot_2D, transpose, rotate
+from Praktikumsaufgaben.matrixmania.compute import matmul, rot_2D, transpose
 from game import Game
 
 EARTH_RADIUS = 30
diff --git a/Praktikumsaufgaben/__pycache__/game.cpython-311.pyc b/Praktikumsaufgaben/__pycache__/game.cpython-311.pyc
new file mode 100644
index 0000000..dcb9916
Binary files /dev/null and b/Praktikumsaufgaben/__pycache__/game.cpython-311.pyc differ
diff --git a/.gitignore b/Praktikumsaufgaben/matrixmania/.gitignore
similarity index 52%
rename from .gitignore
rename to Praktikumsaufgaben/matrixmania/.gitignore
index 7a60b85..de734a4 100644
--- a/.gitignore
+++ b/Praktikumsaufgaben/matrixmania/.gitignore
@@ -1,2 +1,3 @@
+.venv/
 __pycache__/
-*.pyc
+.env
diff --git a/Praktikumsaufgaben/matrixmania/AGENTS.md b/Praktikumsaufgaben/matrixmania/AGENTS.md
new file mode 100644
index 0000000..aa4bbd7
--- /dev/null
+++ b/Praktikumsaufgaben/matrixmania/AGENTS.md
@@ -0,0 +1,5 @@
+# Regeln für dieses Projekt
+
+- Code nach PEP 8, Zeilenlänge maximal 88 Zeichen.
+- Jede Funktion und Methode hat einen Docstring und Type Hints.
+- Vor jedem Commit: `ruff check` und `ruff format`.
diff --git a/Praktikumsaufgaben/compute.py b/Praktikumsaufgaben/matrixmania/compute.py
similarity index 100%
rename from Praktikumsaufgaben/compute.py
rename to Praktikumsaufgaben/matrixmania/compute.py
diff --git a/Praktikumsaufgaben/matrixmania/pyproject.toml b/Praktikumsaufgaben/matrixmania/pyproject.toml
new file mode 100644
index 0000000..46e3b47
--- /dev/null
+++ b/Praktikumsaufgaben/matrixmania/pyproject.toml
@@ -0,0 +1,3 @@
+[project]
+name = "matrixmania"
+version = "0.1.0"
\ No newline at end of file
diff --git a/__pycache__/Computer.cpython-311.pyc b/__pycache__/Computer.cpython-311.pyc
new file mode 100644
index 0000000..eca688c
Binary files /dev/null and b/__pycache__/Computer.cpython-311.pyc differ