Taking a math course in college and one of the requirements of the semester is to learn a magic trick and prove it using math. I chose the “21 card magic trick” or 3 pole magic trick. This involves Mod arithmetic to explain and I’m having the hardest time understanding it. Can someone explain the trick in some other math equation other than modular arithmetic? Thank you.
Tl;dr I need a math equation for 21 card magic trick that isn’t mod arithmetic