theory11 — Magic Tricks & the World's Finest Playing Cards

equations

  1. lolhammertime

    Equations that always end at 13?

    So I recently bought a gaff deck and I want to use the 13 of diamonds with math. I'm planning to do a trick where the participant gets their age, blah blah blah (insert math here) and it should end at the number 13. If you know any, please tell me some equations?
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