This page is intended to help visitors decide whether something of interest to them might have been loaded since their last visit. (Entries more than a few years old tend to get weeded out.)
12th Apr 2026: (1) Added a new item on the poem that emerged from the Royal Commission into the collapse of Melbourne’s Westgate Bridge. (2) Released another update (version 28) to the “John Clarke Australian Verse” document..
January 2026: Added the “Gallipoli letter” and “Latin America letters” items to the “Private downloads” page.
17th Dec 2025: Moved the “Massacre letter” item from “Private downloads” to “Other downloads”.
30th Nov 2025: Added a new download package, this being a relatively simple spreadsheet that explains and demonstrates how to ensure that an “X Y (Scatter)” plot will have equal scaling in the X and Y directions.
12th Aug 2025: Changed the “Template” download package by adding a warning about relying on default values associated with Excel functions.
9th July 2025: Released very minor, non-calculational, revisions to two spreadsheets:
» Solar Angles (V2.02)
» Interior of Slab on Elastic Foundation (V2.08)
13th May 2025: Released an absolutely trivial update (version 1.07) to the “Dynamic Buckling” spreadsheet.
5th May 2025: Released a further update (version 24) to the “John Clarke Australian Verse” document.
6th April 2025: Released a new spreadsheet aimed at spreadsheet developers. This tests the behaviour of Excel’s IS… functions when they are fed a range of different input types.
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May 2015: I have at last had an opportunity to check my spreadsheets under Excel 2013. The checking was relatively superficial, but it suggests that none of them have any problems.
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Nov 2012: Site created.