Read Issue 20 now!
Chalkdust
by Chalkdust
3M ago
Spirographs, complex triangles and a lot of ants feature in our AW24 issue! Plus all your favourite puzzles & columns. The post Read Issue 20 now! appeared first on Chalkdust ..read more
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Cryptic crossword, Issue 20
Chalkdust
by Chalkdust
3M ago
Can you solve it? The post Cryptic crossword, Issue 20 appeared first on Chalkdust ..read more
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Winning Wythoff’s game
Chalkdust
by Molly Ireland
3M ago
Molly Ireland presents a gambit which will impress your mates The post Winning Wythoff’s game appeared first on Chalkdust ..read more
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A mathematician’s guide to Edinburgh
Chalkdust
by Chalkdust
3M ago
Stranded in Scotland's capital? This guide will keep you busy The post A mathematician’s guide to Edinburgh appeared first on Chalkdust ..read more
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Notched edge cards
Chalkdust
by Joe Celko
3M ago
Joe Celko makes a database from card and knitting needles The post Notched edge cards appeared first on Chalkdust ..read more
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Dear Dirichlet, Issue 20
Chalkdust
by Chalkdust
3M ago
Cricket, coursework and karaoke are among the problems solved in this issue's Dear Dirichlet agony aunt column The post Dear Dirichlet, Issue 20 appeared first on Chalkdust ..read more
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On the cover: Spirographs
Chalkdust
by Ashleigh Wilcox
3M ago
Ashleigh Wilcox, Jenny Power and Rachel Evans show you how to draw pretty pictures The post On the cover: Spirographs appeared first on Chalkdust ..read more
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Prize crossnumber, Issue 20
Chalkdust
by Chalkdust
3M ago
Can you solve it? The post Prize crossnumber, Issue 20 appeared first on Chalkdust ..read more
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Easy to state, hard to prove: The Collatz conjecture
Chalkdust
by Sej Patel
3M ago
90 years later, we're still unable to prove this surprisingly simple statement The post Easy to state, hard to prove: The Collatz conjecture appeared first on Chalkdust ..read more
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Crossnumber winners, Issues 18 & 19
Chalkdust
by Matthew Scroggs
3M ago
Did you solve it? The post Crossnumber winners, Issues 18 & 19 appeared first on Chalkdust ..read more
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