Monthly Archives: August 2026

10 Digit Number Puzzle

Posted on August 27, 2026 by nimusi

In my previous post I shared some code to generate permutations. We can use this code to solve a problem I’ve posted about previously. Find the only 10 digit number which uses each of the digits 0 – 9 and … Continue reading →

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Dragon Age – The Veilguard

Posted on August 24, 2026 by nimusi

I played the first game in the Dragon Age series (‘Origins’) many, many years ago. It was an absolutely enthralling game. The choices you made in the game effected the entire game-world. Please see here for my initial reactions to … Continue reading →

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Generating Permutations in Javascript

Posted on August 24, 2026 by nimusi

I’ve recently been working on a number puzzle which involved generating permutations. It involves finding permutations of a ten digit number. I decided to code this in Javascript. I found the following on Wikipedia: The following algorithm generates the next … Continue reading →

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Circle in a Right Triangle

Posted on August 13, 2026 by nimusi

I was recently asked to prove that a circle inscribed in a right triangle with sides 3, 4 and 5 had a radius of 1. Mathematics never ceases to amaze me! How could a standard 3, 4, 5 triangle be … Continue reading →

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Eclipse – did you see it?

Posted on August 12, 2026 by nimusi

I have just watched the eclipse of the sun in the UK. It was an amazing experience, much better than the 1999 eclipse. Hearing the commentary on TV started me thinking about how it would have seemed to people in … Continue reading →

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