Presentations, and the delight of reveal.js
Presentations are a modern bugbear. Anybody in academia or business, or any professional field really, will have sat through untold…
The Vigenère cipher in Haskell
Programming the Vigenère cipher is my go-to problem when learning a new language. It’s only ever a few lines of…
Analysis of a recent election
On November 18, 2017, a by-election was held in my suburb of Northcote, on account of the death by cancer…
Programmable CAD
Every few years I decide to have a go at using a CAD package for the creation of 3D diagrams…
The Gini coefficient and income inequality in Australia
According to Australia’s national broadcasting network, the ABC, inequality is increasing. This claim has been refuted by several academics. Now…
The world’s best map projection
As is well known, you can’t squash the surface of a sphere (or of a hemisphere) flat without either tearing…
Let’s hear it for Logo (3)
Logo is of course known for its turtle graphics, and such is the appeal that there are now turtle graphics…
Let’s hear it for Logo! (2)
Continuing my re-discovery of Logo, I thought I’d try to implement a backtracking solution to finding a Hamiltonian cycle in…
Let’s hear it for Logo!
Recently I had the occasion of helping my autistic son with some elementary mathematics. He’s very averse to writing, but…
Approximating the sum of an infinite series (3)
In the last post I looked at Aitken’s delta-squared process, and showed its applicability to summing some alternating series. But…
