App: SeedCalc - A Wonder Calculator
Developer: 咏武 王
Genres: Bildung, Dienst­programme

Help kids understand numbers, orders of magnitude, and the four operations with fun things at different scales.
Key features:
- Dozens of fun things and animations to show different scales of the universe.
- Demonstrate the precedence of the four operations.
- A full-featured calculator, supporting parentheses, and the four arithmetic operations.

Release notes:
- Input numbers and arithmetic expressions with your keyboard.
- iPad Magic keyboard is also supported.
- Improved graphics quality for the iOS build.
- Fixed UI bugs.