What's New
minor design improvements
App Description
Puzzle helps to learn Cartesian coordinate system (x,y) and practice to calculate sums over the line (the very first step to understanding integration). Sound: switch Ring/Silent controls speaker. After 30 seconds quick shake to restart the puzzle or reveal the answer with just a tap. Skip INTRODUCTION any time or replay it (to understand the rules better).
App Changes
- May 09, 2024 Initial release
- May 10, 2024 New version 1.1
- May 10, 2024 Price decrease: $0.99 -> FREE!
- May 10, 2024 New version 1.0
- May 10, 2024 Price increase: FREE! -> $0.99
- May 10, 2024 Price decrease: $0.99 -> FREE!