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 Notes on Lookup  Eratosthenes and Other Sieves
 Notes on Divisibility  Common Divisors
 Notes on Lookup  A Sieve for the Collatz Problem
 Math in the Comics  part 5
 Operators, Functions, and Properties  part 35
 Groupings, Shopping Lists, Vectors: part 14
 Tally Marks and Roman Numerals
 Making Change  A Sam Lloyd puzzle
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 Deferred computation and Bluffing

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Tag Archives: standing on nothing
Notes on Representation – Coexistence
In my earlier post on tally marks, I look at the way the tally mark representation system coexists with the decimal number system – with the tally marks thriving in a small but stable niche. In some ways, they coexist … Continue reading
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Tagged denominations, models, naming, representations, standing on nothing
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The Wile E Coyote Principle
Among Wile E Coyote’s more famous abilities (shared by various other comic characters as well) is that of walking off the edge of a cliff without noticing it, and not falling. It’s not that Wile E lives in a world … Continue reading