eOctavo
Calcudoku
eOctavo
Puzzles · Includes artwork
Math cages meet Latin squares, in three grid sizes.
FreePrice
30 KBSize
v1.0Version
PuzzlesCategory
OfflineWorks offline
About this app
Fill 4x4, 5x5 or 6x6 grids so each row and column has every number once and each cage makes its target with + - x or divide. A daily puzzle plus Easy, Medium and Hard games, each with one solution. Notes, hints, undo, stats.
Updated Oct 4, 2026
PuzzlesWhat's new
Version 1.0
First release.
Data safety
Works offline
Never goes online.
Saves its own data
Keeps its progress in its own save slot on the SD card.
Can't see your stuff
Apps run in a sandbox: no access to your books, notes, contacts or other apps.
Install on your X3
- Connect your X3 to Wi-Fi (Settings › Wi-Fi).
- Open Store on the home screen. Not there yet? Scroll to the bottom and choose Check for new apps.
- Pick Calcudoku, press OK, then OK again to install. It goes in the Puzzles folder on the home screen.
No Wi-Fi? Download calcudoku.lua and calcudoku.art above and copy them into the apps folder on the X3's SD card.
App info
- Version
- 1.0
- Updated
- Oct 4, 2026
- Size
- 30 KB
- Files
- calcudoku.lua, calcudoku.art
- Made by
- eOctavo
- Requires
- eOctavo on an Xteink X3