March 20, 2017
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The Best Sandbox
by Tom Clark
…many different ways can you make, 0, 1, or 7 using just four 4s? There is freedom to imagine within a structure of rules. Just when you start feeling comfortable, you might change the rules: allow more operations, exponents, square roots, logarithms. In fact, Paul Dirac figured out a clever way of writing any number using just four 4’s! Sometimes, mathematics shows up inside other games. One really interesting example is the children’s game Spot…
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