Contents
Teaching Notes
An easy way to Brahmagupta’s formula for the area of a cyclic quadrilateral
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- 02 March 2020, pp. 174-175
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Notes
104.24 Surveying in the hyperbolic plane
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- 18 June 2020, pp. 341-343
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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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Problem Corner
Problem Corner
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- 02 March 2020, pp. 176-183
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Notes
104.25 Proof without Words: Every central octagonal number is an odd square
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- 18 June 2020, p. 343
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Teaching Notes
An alternative proof of the integral of a logarithm
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- 18 June 2020, pp. 344-345
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Surds from Pascal‘s triangle
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- 08 October 2020, pp. 552-553
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Student Problems
Student Problems
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- 02 March 2020, pp. 184-186
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Teaching Notes
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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Reviews
A first course in analysis by John B. Conway, £39.99, ISBN 978-1-10717-314-9, Cambridge University Press (2017).
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- 02 March 2020, p. 187
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Other
Feedback
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- Published online by Cambridge University Press:
- 18 June 2020, pp. 346-352
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Feedback
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- 08 October 2020, pp. 556-558
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Reviews
Complex analysis by Ian Stewart and David Tall (2nd edn.), pp. 389, £29.99 (paper), ISBN 978-1-108-43679-3, Cambridge University Press (2018).
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- 02 March 2020, pp. 187-189
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Problem Corner
Problem Corner
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- Published online by Cambridge University Press:
- 18 June 2020, pp. 353-358
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Reviews
Understanding topology, a practical introduction by Shaun V. Ault, pp. 416, £74.00 (hard), ISBN 978-1-42142-407-1, Johns Hopkins University Press (2018).
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- 02 March 2020, pp. 189-190
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Student Problems
Student Problem Corner
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- Published online by Cambridge University Press:
- 18 June 2020, pp. 359-361
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Problem Corner
Problem Corner
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- Published online by Cambridge University Press:
- 08 October 2020, pp. 559-563
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Reviews
Millions billions zillions by Brian W. Kernighan, pp. 160, £17.99 (hard), ISBN 978-0-691-18277-3, Princeton University Press (2018)
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- 18 June 2020, p. 362
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Student Problems
Student Problems
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- Published online by Cambridge University Press:
- 08 October 2020, pp. 564-566
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Reviews
Calculus of variations by Filip Rindler, pp. 444, £39.99 (paper), ISBN 978-3-319-77636-1, also available as e-book, Springer Verlag (2018)
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- 02 March 2020, p. 191
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