More from Chalkdust

Deal or no deal?
Mike Fletcher explores the optimal strategy for winning the popular television game show
Prize crossnumber, Issue 08
Win £100 of Maths Gear goodies by solving our famously fiendish crossnumber
Prize crossnumber, Issue 07
Win £100 of Maths Gear goodies by solving our famously fiendish crossnumber
Top Ten: Geometry instruments
The definitive chart of the best tools
Seeing double
Take a ball, divide it into parts, glue them back and get two identical copies of your ball!
Stopping distances in the Highway Code are wrong
An easy equation to remember for your driving theory test, with dangerous consequences
