More from Chalkdust
Crossnumber winners, Issue 14
Did you solve it?
Weirdonacci numbers
Like Fibonacci, but weird. Robert J Low and Thierry Platini explain
On the cover: Islamic geometry
Explaining the mathematics of tiling, and the cover of Issue 10
Reproduce or die
Hugh Duncan explores an exciting variation on Conway's Game of Life
A few of Euler’s masterpieces
``Read Euler, read Euler, he is the master of us all." -- Laplace. An invitation to join us in celebrating Euler's 311th birthday by appreciating a few of his great contributions to mathematics.
Primes à la Euler
Infinitely many primes ending in 1, 3, 7 and 9 proved in typically Eulerian style.