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Inspector Morse

You may like to read the article on Morse code before attempting this question. Morse's letter analysis was done over 150 years ago, so might there be a better allocation of symbols today?

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History of Morse

This short article gives an outline of the origins of Morse code and its inventor and how the frequency of letters is reflected in the code they were given.

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Litov's Mean Value Theorem

Start with two numbers and generate a sequence where the next number is the mean of the last two numbers...

Who's the Best?

Age 11 to 14 Challenge Level:

How might the population size of a nation affect its chances of winning a medal?
What about the wealth of a nation?