The main feature are as follows:
1. No ads
2. Support simple calculation
3. Calculation step and process can be viewed
4. Calculation history can be viewed and manual deleted
5. Very small size
6. Support light theme and dark theme
The main feature are as follows:
1. No ads
2. Support simple calculation
3. Calculation step and process can be viewed
4. Calculation history can be viewed and manual deleted
5. Very small size
6. Support light theme and dark theme