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      I was hoping it would be non-binary, but of course binary is more relevant for education.

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      Neat. I’ve long thought there should be some simple workbook computers that have graph paper as “memory” and have you start at A1 and follow the instructions to draw shapes or some such. Maybe something like ✎A10-Z10 to mean draw a line from A10 to Z10 and then some instructions for branching and adding.