OddThinking

Alphametics (aka verbal arithmetic, cryptarithmetic and others) puzzles are an old puzzle where letters are substituted for numbers in simple equations. Go search for alphametics for lots of examples.

These puzzles never really captured my fancy, which is, weirdly enough, why I recently implemented a “puzzle helper” to help solve them.

In this article, I describe how I wrote some software to tackle the Slitherlinks puzzles.

The Compact Monthly Archive (CMA) Widget has just been released at 1.0.

This widget has been on the sidebar on the left of OddThinking for 9 months, but now it is available for you own WordPress blog.

This article focuses on that message-passing system and the variants I have tried in the puzzle-solving architecture that has evolved over a number of pet projects.

Virus 2 is a flash game with a disturbing name, but quite simple game-play.

I set out to solve it under some arbitrary constraints.

I want my podcasts carefully sorted so as to maximise the space between podcasts of the same feed.

Here’s my solution.

My sense of direction is all but non-existent, so I have wanted a working Satellite Navigation system for my car for years.

The challenge is to calculate every integer value between 0 and 100 using only the number 4.

Dear developers of my next email client,

Let me tell you about all the names of my friend.

Dynamically choosing base classes considered harmful.