Card Tricks with Numerical System

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Raywat Tanadkithirun


In this article, the 27 Card Trick of Martin Gardner is presented. The use of numerical systems can help in performing the show easily.  Generalized versions of this card trick are also offered.

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How to Cite
Tanadkithirun, R. (2019). Card Tricks with Numerical System. Mathematical Journal by The Mathematical Association of Thailand Under The Patronage of His Majesty The King, 64(699), 25–35. Retrieved from
Academic Article


[1] Bolker, E. D. (2010). Gergonne's Card Trick, Positional Notation, and Radix Sort. Mathematics Magazine, 83 (1), p. 46 - 49.
[2] Gardner, M. (1956). Mathematics, Magic and Mystery. New York: Dover Publications.
[3] Hargrave, C. P. (2000). A History of Playing Cards and a Bibliography of Cards and Gaming. Mineola, New York: Dover Publications.