Author Archives: dougaj4

Concrete 2019

Posted on 08/07/2019 by dougaj4

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.

Posted on 26/06/2019 by dougaj4

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

Posted on 23/06/2019 by dougaj4

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

Posted on 18/06/2019 by dougaj4

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

Posted in Bach | Tagged , , | Leave a comment

ULS design of circular reinforced concrete columns

Posted on 09/06/2019 by dougaj4

The RC Design Functions spreadsheet has been updated (to Version 8.04) with the addition of a CircU function for ULS design of circular reinforced concrete sections under combined bending and axial load.  The new version, including full open-source code, may … Continue reading →

Posted in Beam Bending, Concrete, Excel, Newton, UDFs, VBA | Tagged , , , , , , , , , , , , , | 2 Comments