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Frank M Jackson's user avatar
Frank M Jackson's user avatar
Frank M Jackson's user avatar
Frank M Jackson
  • Member for 10 years, 11 months
  • Last seen more than a week ago
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I am a mathematics graduate from Bristol University (1967). My interest is primarily Euclidean geometry in 2D, 3D and higher dimensions.

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Top posts
question
12
Heronian triangle with two sides that are prime
Dec 30, 2013
question
2
Mersenne numbers and twin practical numbers [closed]
Dec 26, 2015
question
2
Can the ABC conjecture be expanded?
Nov 30, 2018
question
1
Solutions for n such that the path number to the n-th node is also n in a complete, rooted, ordered k-ary tree
Nov 22, 2014
question
1
Factorizing $n$-th Wendt determinant $W(n)$
Aug 28, 2020
question
0
Counts of congruent numbers
Jul 2, 2016
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13
Accuracy of PrimeQ function
6
Can the golden ratio accurately be expressed in terms of $e$ and $\pi$