Addition and Subtraction is a browser extension that helps you practice simple addition and subtraction expression. It is like a quiz extension.
- 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.
- Dark/Light theme
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