Updated Calculator README.md

Author: AnkitaBarbora

Calculator/README.md

@@ -1,11 +1,28 @@
 <h1 align="center">Calculator</h1>
-It is used to calculate any simple mathematical equation.
-
+This is a simple calculator program written in Python that performs basic arithmetic operations. It can add, subtract, multiply, and divide numbers.
 ---------------------------------------------------------------------
 
 ## How it works
 - It takes the mathematical equation by the User.
 
 - It returns the result of the mathematical equation.
 
+## Usage
+To use the calculator program, follow these steps:
+
+- Clone the repository or download the source code files.
+
+- Make sure you have Python installed on your system (version 3.6 or above).
+
+- Open a terminal or command prompt and navigate to the directory where the source code is located.
+
+- Run the calcy.py file using the following command:
+ "python calcy.py"
+
+- Enter the the operation you wish to perform.
+
+-The program will display the result of the operation.
+
+
+
 #### By [Avinash Kr. Ranjan](https://github.com/avinashkranjan)