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Flip digit clocks are a prized piece of consumer electrical ephemera, providing as they do a digital display without significant electronics. Making your own flip digit display involves some drudgery ...

When Alan Turing submitted his paper On Computable Numbers to the Proceedings of the London Mathematical Society on this day, May 28, in 1936, he could not have guessed that it would lead not only to ...

In positional systems, as mentioned earlier, the number represented is multiplied by the base each time you move to the left of a position and is always divided by the base each time you move to the ...