admin Posts Dozenal divisibility tests May 15, 2014 John Scott Russell’s birthday! May 9, 2014 103rd day of the year April 13, 2014 Al-Karaji April 13, 2014 2048 with James Grime and Steve Mould April 10, 2014 Tom Lehrer’s birthday! April 9, 2014 Highly educated people talking about numeracy April 4, 2014 Logarithms April 4, 2014 Baron Merchiston’s death day! April 4, 2014 Ethan Brown’s magic squares April 2, 2014 Older posts Newer posts