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Congruent Triangles
We review the seventh of this year’s nominees for the Book of the YearIssue 10
Computational proofs, AI music and embarrassing surveys feature in the autumn 2019 issue. Plus all your favourite puzzles & columns.On the cover: Harriss spiral
Find out more about the spiral trees on the cover of Issue 09Prize crossnumber, Issue 08
Win £100 of Maths Gear goodies by solving our famously fiendish crossnumberPrize crossnumber, Issue 04
Can you solve it?A Fields Medal at UCL: Klaus Roth
Klaus Roth and his work