Contents
Notes
104.34 The beauty of mathematics — the connection between the areas of three squares
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- 08 October 2020, pp. 532-534
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104.35 Proof without Words: A right triangle ABC with altitude AH =
$$\[\frac{1}{4}\]$$
BC
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- 08 October 2020, pp. 534-535
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104.36 Some results on perspective triangles
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- 08 October 2020, pp. 535-539
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104.37 An inequality for the tanradii of a triangle
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- 08 October 2020, pp. 539-542
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104.38 Visualising the star number - centred dodecagonal number isomorphism
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- 08 October 2020, p. 543
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104.39 Buffon‘s needle on a square lattice
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- 08 October 2020, pp. 543-545
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104.40 A simple evaluation of the probability integral
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- 08 October 2020, pp. 546-548
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104.41 A property of the Lagrange interpolation polynomial
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- 08 October 2020, pp. 548-551
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Teaching Notes
Surds from Pascal‘s triangle
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- 08 October 2020, pp. 552-553
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An unexpected appearance of e in a family of minimisation problems
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- 08 October 2020, pp. 553-555
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Other
Feedback
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- 08 October 2020, pp. 556-558
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Problem Corner
Problem Corner
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- 08 October 2020, pp. 559-563
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Student Problems
Student Problems
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- 08 October 2020, pp. 564-566
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Reviews
Further risps by Jonny Griffiths, pp. 241, no ISBN, available from www.furtherrisps.co.uk
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- 08 October 2020, p. 567
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Abstract algebra with applications by Audrey Terras, pp. 310, £45.99 (hard), ISBN 978-1-10716-407-9, Cambridge University Press (2019).
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- 08 October 2020, pp. 567-569
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Semigroups of linear operators by David Applebaum, pp. 223, £26.99 (paper), ISBN 978-1-108-71637-6, Cambridge University Press (2019)
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- 08 October 2020, pp. 569-570
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The prime number conspiracy by Thomas Lin (ed.), pp 309, £15.99, ISBN 978-0-26253-635-6, MIT Press (2018)
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- 08 October 2020, pp. 570-571
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Calculus simplified by Oscar E. Fernandez, pp. 246, £14.99 (paper), ISBN 978-0-691-17539-3, Princeton University Press (2019)
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- 08 October 2020, pp. 571-572
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Calculus reordered by David M. Bressoud, pp. 224, £24 (hard), ISBN 978-0-691-18131-8, Princeton University Press (2019)
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- 08 October 2020, pp. 572-574
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Topics in combinatorics by Gerry Leversha and Dominic Rowland, pp. 310, £19 (paper), ISBN 978-1-90600-136-0, United Kingdom Mathematics Trust (2019).
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- 08 October 2020, pp. 574-575
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