diff --git a/module2/exo4/zenerTest.xlsx b/module2/exo4/zenerTest.xlsx new file mode 100644 index 0000000000000000000000000000000000000000..5b8cefe23cbd35f15c3dd720e1733d7152add44d Binary files /dev/null and b/module2/exo4/zenerTest.xlsx differ