Simple Flask Calculator using Eval in Python

Simple Calculator App using the eval function in Python. Deployed on the server using Flask.

Watch the live demo of the app here at khanfarhan10.pythonanywhere.com/ !

Code for the app is available at at github.com/khanfarhan10/SimpleCalcEvalPython !

Usage

Simple Expressions

Complicated Expressions

Tutorials

Some great tutorials that I learnt coding for this app are :

• Quick Flask deployment using www.pythonanywhere.com : Deploying Flask Apps Using Python Anywhere (2020) - by Pretty Printed
• Detailed Flask Tutorial : Python Flask Tutorial: Full-Featured Web App Part 1 - Getting Started - by Corey Schafer
• GeeksforGeeks Explanation of the Eval Function : eval in Python - by Nikhil Kumar
• Detailed Article on Towards Data Science : Python eval() built-in-function - by Tanu N Prabhu
• Useful Tool for writing html files : W3Schools Try HTML

Note: If the live demo doesn't work anymore, or you need help on the topic feel free to reach out at njrfarhandasilva10@gmail.com.

Run locally

On Windows, open cmd:

• cd C:\Users\farha\Documents\GitHub\SimpleCalcEvalPython
• set FLASK_APP=app.py
• flask run

OR

• cd C:\Users\farha\Documents\GitHub\SimpleCalcEvalPython
• python app.py