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From time to time we have written programs that have very little to do with our core business. As couple of these programs may be of interest, we have presented them here.

These have also been presented here as exercises in using the W3C’s SVG2 with JavaScript. For those interested in SVG2, a further exercise in using this is provided in the presentation of our cycling group’s route maps.

The first of these is the Betagraph demonstration. This was a project that I worked on a long time ago, when LEDs were somewhat more expensive than they are today.

The other is the Pentomino program. It concerns finding each way a set of shapes may be arranged into a rectangle.