diff --git a/compute.py b/compute.py
index e802a48..d33f729 100644
--- a/compute.py
+++ b/compute.py
@@ -12,10 +12,12 @@ Functions:
 # Teständerung
 
 from __future__ import annotations
-from typing import List
+
 import math
 
-Matrix = List[List[float]]
+from tabulate import tabulate
+
+Matrix = list[list[float]]
 
 def transpose(matrix: Matrix) -> Matrix:
     """Return the transpose of *matrix*.
@@ -110,7 +112,7 @@ def matmul(A: Matrix, B: Matrix) -> Matrix:
 
     result: Matrix = []
     for i in range(a_rows):
-        row: List[float] = []
+        row: list[float] = []
         for j in range(b_cols):
             s = 0.0
             for k in range(a_cols):
@@ -129,4 +131,5 @@ if __name__ == "__main__":
     # Einen Punkt (Vektor) als 2x1 Matrix rotieren: [ [x], [y] ]
     point = [[1.0], [0.0]]  # Punkt auf der x-Achse bei x=1, y=0
     rotated_point = matmul(R, point)
-    print("Gedrehter Punkt (erwartet y=1, x=0):", rotated_point)
\ No newline at end of file
+    print("Gedrehter Punkt (erwartet y=1, x=0):", rotated_point)
+    print(tabulate(rot_2D(1.0)))
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index 46e3b47..3a776b1 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,3 +1,4 @@
 [project]
 name = "matrixmania"
-version = "0.1.0"
\ No newline at end of file
+version = "0.1.0"
+dependencies = ["tabulate", "ruff"]
\ No newline at end of file