diff --git a/compute.py b/compute.py
index ba6cb19..aa05e1d 100644
--- a/compute.py
+++ b/compute.py
@@ -8,8 +8,9 @@ This module provides utilities for basic matrix arithmetic:
 All functions validate inputs and raise ``ValueError`` where
 appropriate.  Type hints use the built‑in ``list`` and ``int | float`` union.
 """
-
 from __future__ import annotations
+
+from tabulate import tabulate
 import math
 
 # Public type alias for a matrix of numeric values.
@@ -162,3 +163,5 @@ if __name__ == "__main__":
     vec = [[1], [0]]
     print("Rotation matrix for 45°:", rot)
     print("Rotated vec:", matmul(rot, vec))
+
+    print(tabulate(rot_2D(1.0)))