How do calculators do trigonometry? W.L. Feldhusen explains the obscure sine-finding trick hiding inside your calculator!
Unknown pleasures: pulsars and the first data revolution The scientific story behind the cover of Joy Division's treasured debut
Prize crossnumber, Issue 09 Win £100 of Maths Gear goodies by solving our famously fiendish crossnumber
Dear Dirichlet, Issue 09 Coffee, Brexit and badgers are among the topics of discussion in this issue's Dear Dirichlet advice column
You can find previous issues of Chalkdust