1,460 results on '"LORD, NICK"'
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2. Infinite sums of reciprocal quadratics.
3. 108.18 A one-line proof of the Finsler-Hadwiger inequality
4. Infinitely many composites
5. Euler's prime-producing polynomial revisited.
6. On 107.03
7. A course in complex analysis by Saeed Zakeri , pp. 428, £50 (hard), ISBN 978-0-691- 20758-2, Princeton University Press (2021)
8. An odd fact about Cayley tables
9. 102.44 Another proof of the irrationality of square roots
10. On the converse of a STEP question about centroids
11. Problem Corner
12. Two quick observations about rough inclined planes
13. 102.23 A visual proof that √𝘕 is irrational
14. 102.25 On an alternative formula for the area of a spherical cap
15. Extending runs of composite numbers
16. An unusual inequality challenge
17. Three cameos involving e
18. Two quick direct proofs of the irrationality of tan15°.
19. The volume of a cone for pre-calculus students
20. 101.28 The versatile exponential inequality 𝑒 𝑥 ≥ 1 + 𝑥
21. Problem Corner
22. 101.16 When does n! have n digits?
23. An area conundrum
24. Integrals evaluated in terms of Catalan's constant
25. Using A4-sized paper to illustrate that √2 is irrational
26. 101.04 An unexpected appearance of the golden ratio
27. 87.40 An Elementary Single-Variable Proof of $\int_{-\infty}^{\infty }e^{-x^{2}/2}dx=\sqrt{2\pi}$
28. 85.19 More Publicity for a Median-Mean Inequality
29. Correspondence
30. 83.50 Recent Formulae for π: Arctan Revisited!
31. Problems
32. 82.1 On S·P Numbers
33. Problems
34. Problems
35. 80.4 My Favourite Calculus Problem
36. Problem Corner
37. The most elementary proof that $\sum\limits_{k = 1}^\infty {\frac{1}{{{k^2}}}} =\frac{{{\pi ^2}}}{6}?$
38. Euler, the clothoid and $\int\limits_0^\infty {\frac{{\sin x}}{x}} dx$
39. 100.19 A quick evaluation of $\begin{array}{*{20}{c}} {\lim } \\ {m \to \infty } \\ \end{array} \sum\limits_{k = 0}^m {{{\left( {\frac{k}{m}} \right)}^m}} $
40. When is the sum of two triangular numbers triangular?
41. Constructing the 15th pentagon that tiles the plane
42. Another appearance of the golden ratio.
43. Problem Corner
44. When does give the centre of mass of a quadrilateral?
45. 107.08 An interesting equivalent of squaring the circle
46. 99.34 A special parallelogram
47. Cauchy-Schwarz via collisions
48. The constant acceleration formulae imply constant acceleration!
49. Problem Corner
50. A rich problem on digital roots
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