Research Article
A theorem about running round a triangle and two applications
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- 16 November 2021, pp. 137-140
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The magic hexagram
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- 16 November 2021, pp. 140-142
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Idiot-proof tiles
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- 16 November 2021, pp. 143-147
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The best shape for a tin can
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- 16 November 2021, pp. 147-150
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Steiner-Lehmus and the automedian triangle
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- 16 November 2021, pp. 151-154
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Cycling digits
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- 16 November 2021, pp. 154-157
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My favourite polynomial
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- 16 November 2021, pp. 157-165
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Heads you lose, tails I win
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- 16 November 2021, pp. 166-168
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The Russian peasant multiplication algorithm: a generalization
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- 16 November 2021, pp. 169-171
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Sieving with sums
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- 16 November 2021, pp. 171-174
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What is the matter with negative r?
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- 16 November 2021, pp. 174-178
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Sums on Channel 4’s “Countdown”
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- 16 November 2021, pp. 178-183
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Notes
75.7 A Markov Chain in Cricket (MCC!)
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- 16 November 2021, pp. 183-185
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75.8 Tantalising triples in Pascal’s triangle
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- 16 November 2021, pp. 185-187
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75.9 Euler’s Constant
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- 16 November 2021, pp. 187-190
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75.10 The harmonic hurdler runs again
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- 16 November 2021, pp. 190-193
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75.11 The noninteger property of sums of reciprocals of successive integers
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- 16 November 2021, pp. 193-194
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75.12 David and Goliath proofs
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- 16 November 2021, pp. 194-196
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75.13 Volume of a tetrahedron
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- 16 November 2021, pp. 196-197
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75.14 The mechanics of the quadratic formula
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- 16 November 2021, pp. 197-198
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