diff --git a/compute.py b/compute.py
index 1880da9..aff3126 100644
--- a/compute.py
+++ b/compute.py
@@ -108,7 +108,6 @@ if __name__ == "__main__":
     print("rotate:", rotated)
     assert rotate(rotate(rotate(rotate(a)))) == a
 
-    # Rotation um 90 Grad (pi/2) bildet (1, 0) auf (0, 1) ab.
     assert rot_2D(0) == [[1, 0], [0, 1]]
     quarter = rot_2D(math.pi / 2)
     point = transpose([[1.0, 0.0]])
diff --git a/pyproject.toml b/pyproject.toml
new file mode 100644
index 0000000..3a776b1
--- /dev/null
+++ b/pyproject.toml
@@ -0,0 +1,4 @@
+[project]
+name = "matrixmania"
+version = "0.1.0"
+dependencies = ["tabulate", "ruff"]
\ No newline at end of file