The rhombitrihexagonal tiling from around 200 BC (left) and
More from Chalkdust
Chalkdust issue 13 – Coming 1 May
A great start to the month of Maying
7 ways to tell if a number is divisible by 7
Łukasz takes us on a tour through a surprisingly diverse range of algorithms to test for divisibility by 7
Somewhere over the critical line
Read about Maxamillion Polignac's adventures in a prime-hating world
Prize crossnumber, Issue 07
Win £100 of Maths Gear goodies by solving our famously fiendish crossnumberCrossnumber winners, Issue 06
Did you solve it?
Top Ten: Calculators
Are you a FX-82 or an FX-85 fan?