diff --git a/src/km3irf/utils.py b/src/km3irf/utils.py
index 5380badb04060e29674b4ddf5d354491b264ad45..9081ced424d6f5048be75dc093857b522f916ea3 100644
--- a/src/km3irf/utils.py
+++ b/src/km3irf/utils.py
@@ -1,14 +1,14 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-# from .calc import Calculator
+from .calc import Calculator
 from astropy.io import fits
 
 
-# def print_multiplication_table(base):
-#     """Prints the multiplication table for a given base"""
-#     calculator = Calculator()
-#     for i in range(1, 11):
-#         print("{} x {} = {}".format(base, i, calculator.multiply(base, i)))
+def print_multiplication_table(base):
+    """Prints the multiplication table for a given base"""
+    calculator = Calculator()
+    for i in range(1, 11):
+        print("{} x {} = {}".format(base, i, calculator.multiply(base, i)))
 
 
 def merge_fits(aeff_fits="./data/aeff.fits",