as.md

---
logoUrl: https://raw.githubusercontent.com/biplobsd/as/main/src/assets/icons/icon128.png
title: Addition and Subtraction 
category: Fun
p_name_1: Edge Add-ons
p_link_1: https://microsoftedge.microsoft.com/addons/detail/fodpdpkegeedoncffdiefkljojnnofhf
p_name_2: Chrome Web Store
p_link_2: https://chrome.google.com/webstore/detail/gcfbgldheflkffckpodpmkjlkbapmfnc
p_name_3: Github release
p_link_3: https://github.com/biplobsd/as/releases/latest
img_1: https://github.com/biplobsd/as/assets/43641536/be8cfb52-bb45-4ce3-8855-59e2e5e1bd49
date: 1690956494000
tags:
  - Chrome Extension
  - Svelte
  - TypeScript
  - Tailwind
---

<center>
<iframe class="w-full h-96" src="https://www.youtube.com/embed/tH3DBDNKc8c" title="Addition and Subtraction Extension" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
</center>

Addition and Subtraction is a browser extension that helps you practice simple addition and subtraction expression. It is like a quiz extension.

FEATURES
----------------------------------
- Quick random expressions
- Easy, Medium, Hard, and Custom modes
- Addition, Subtraction, or random operations
- Save user settings to the cloud for access from other devices. 
- Leaderboard
- Dark/Light theme
- Open-source 

if you need more feature on this app, highly requested to create an issue on our GitHub repository https://github.com/biplobsd/as/issues tab.

Read more: https://github.com/biplobsd/as