Numbas, my web-based e-assessment system, is now available under an Apache 2.0 licence at github. That means it’s finally properly open-source, and anyone can do whatever they like with it.…
Archives for April 2011
A gimmicky Normal PDF visual aid
Quite a lot of people have trouble visualising what’s going on when you look up p-values in a table of the normal CDF. I had an idea about how to explain a bit more dynamically using a bit of Craft …
An $E_3$ fgoagog and an $E_4$ fgoagog
Over Christmas I typed up my Bass-Serre / Grzegorczyk stuff in quite a lot of detail and fairly rigorously. It’s far too much to put up here as blog posts, so here’s a link to the PDF.
The big …
