Author Archives: dougaj4

64 bit Excel and PtrSafe

Installing my Office 365 subscription on a new computer I discovered it had decided (without asking) to upgrade itself to the 64 bit version, which resulted in some of my spreadsheets not working on the new system.  The main problem … Continue reading

Posted in Excel, VBA | Tagged , , , , | 1 Comment

Concrete 2019

The Concrete Institute of Australia’s biennial conference is this year being held in Sydney from 8-11 September, and early-bird registration has now been extended to 15th July, so register now and save! For more details of the conference see: Concrete … Continue reading

Posted in Concrete, Newton | Tagged , , , | 2 Comments

Installing Adobe Reader non-DC version.

Edit 3rd Jan 2026:  As noted in the comments, as far as I know, the old versions of Adobe Reader are no longer available from Adobe, and the links given in this post no longer work. The option to install a … Continue reading

Posted in Computing - general | Tagged , , | 4 Comments

Solving the Lagrangian Point equation for the Moon

This post was prompted by a recent question at Fitting high order polynomials, asking for Excel methods to solve the equations for the radius of the Moon’s Lagrangian Point 1. All the methods described in this post have been added to … Continue reading

Posted in Excel, Maths, Newton, UDFs, VBA | Tagged , , , , , , | 4 Comments

Malinda sings A Song About Nothing

Malinda Kathleen Reese mostly sings popular songs, after passing the lyrics through Google Translate multiple times. But this is something else:

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