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The basic idea...

"The basic idea behind open source is very simple. When programmers on the Internet can read, redistribute, and modify the source for a piece of software, it evolves. People improve it, people adapt it, people fix bugs. And this can happen at a speed that, if one is used to the slow pace of conventional software development, seems astonishing...
...The Open Source pages exist to make this case to the commercial world."    - Introduction to Open Source -

* MathDoku

market download Based on the same rules as the hit KenKen(tm) game, as printed in the New York Times and The Times (uk).

Related to Sudoko, but with a mathematical twist - use the arithmetic challenges in each cage to help solve the puzzle.

Source code available under the GPL.

Authored by Ben Buxton, Paul Dingemans. Contributions by Pimm Hogeling, Stephen Lee, Alexander Tesfamichael, Anthony Paul.

Recent changes:
*** v2.12 updates ***
Maintenance fix for back button crash.

*** v2.11 updates ***

Layout improvements across all devices.
Back button behaviour fix.
Entry mode bug fix.

For a full list of changes see:

Content rating: Everyone

Author: Ben Buxton
Version: Version 2.12
Market link: net.cactii.mathdoku
Web site:

Source code:
Code license:
Market downloads: 50,000-250,000
Market rating: 4.1 / 5.0
Category: Top:/Games/Board

Added: 2010-10-18
Updated: 2013-11-05
Hits: 1223

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