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Created: 05 July 2012

Thanks to a donated unit that was in much better shape than my damaged Nixdorf LK-3000, I was able to update the LK-3000 page.

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Created: 19 March 2012

It is now possible to click on calculator images shown in popups on the Other Calculators page, and get a linkable page with the image and its title. This should help those who wish to link to specific non-programmable calculators shown on this site.

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Created: 27 January 2012

I keep making minor improvements to the CMS site. I finally fixed the code so that the manufacturer name and model number are now shown in the page title (and will correctly show up in search services, I hope.) I also fixed our local search facility: calculator detail sheets are now properly shown when a calculator appears as a search result.

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Created: 18 December 2011

I successfully transferred most of the content of rskey.org to a content management system, Joomla. Using a CMS will make it easier to keep this site up-to-date. As part of this effort, I also eliminated some outdated HTML code: for instance, I no longer use small images for Greek characters or mathematical symbols. More complex mathematical expressions are now rendered using the MathJax library.

Of course, there are probably some gremlins. Some links may not be updated and still point to old content that is no longer available. Hopefully though, most of the content will appear as intended.