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March 25, 2017

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If you wanted to code 94 distinct characters, such as those found on a coputer keyboard, how many dots would the system need?

  • math - ,

    If I understand your question correctly,

    using 1 dot -- 1 way
    using 2 dots -- 2! or 2 ways
    using 3 dots -- 3! or 6 ways
    using 4 dots -- 4! or 24 ways
    running total = 33
    so we have to go to 5 dots, which would give us an extra 120 ways, enough to handle the 94 needed.

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