diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -1,4 +1,8 @@
 # ETI_Exercise_7
-
-# Test cases:
-# https://docs.google.com/spreadsheets/d/12qBm2xTuSbIU1KJO21iCHtvWlMoMlO0HekpZJUOs_Is/edit?usp=sharing
+Creating a calculator 
+- Addition
+- Subtraction
+- Multiplication
+- Division
+## Test cases:
+https://docs.google.com/spreadsheets/d/12qBm2xTuSbIU1KJO21iCHtvWlMoMlO0HekpZJUOs_Is/edit?usp=sharing