This search includes results that are not relevant to tricks or sleights (e.g. columns, reviews, articles, ...). Click here to hide these results.
Creators Title Comments & References Year Source Page AA Categories
Ryan Schlutz Jumbled Thoughts jumbled friXion pen prediction corrects itself
  • Method 1: Free Choice of a Card
  • Method 2: Forced Selection
Inspired by
  • "Sympathetic Ink" (Mathieu Bich)
2011 95
Woody Aragón Psychic Poker spectator shuffles and deals four hands. magician guesses winning player and predicts winning hand.
Inspired by 2011 167
Woody Aragón Regarding Mathemagic 1. The role of mathematics in card magic
2. The "sleight of math" concept
3. Facing mathemagic
4. So...is it really worth it?
5. How to present data and processes
2011 323
Karl Fulves (reviewer) Math + Magic by Persi Diaconis (written by Ron Graham) 2011
Prolix (Issue 9)
587
Jim Steinmeyer The Three Book Experiment
  • Conjuring
mathematical calculations to arrive at page number
Also published here Feb. 2011
Genii (Vol. 74 No. 2)
26
Richard Kaufman (reviewer) Magical Mathematics by Persi Diaconis (written by Ron Graham)
brief
Aug. 2011
Genii (Vol. 74 No. 8)
11
Jamy Ian Swiss (reviewer) Magical Mathematics: The Mathematical Ideas That Animate Great Magic Trick by Persi Diaconis (written by Ron Graham) Sep. 2011
Genii (Vol. 74 No. 9)
94
Dustin Stinett (reviewer) The Newsletter Tricks by Mathieu Bich Nov. 2011
Genii (Vol. 74 No. 11)
84
Jon Racherbaumer Humma-Humma-Hummer Hummer's Mathematical Monte variation with three cards
Inspired by Mar. 2011
Antinomy (Vol. 4 No. 3)
9
Persi Diaconis, Ron Graham Mathematics in the Air Chapter intro that describes the CATO Principle and the mathematics behind it, along with tricks
Related to 2012 1
Charles Hudson Baby Hummer Used to demonstrate the CATO principle, uses four cards
Related toVariations 2012 1
Bob Hummer Hummer's Ten Card Mystery Original use of the CATO Principle, based on the 18 Card Mystery in the original manuscript, magician can name how many face up cards there are after mixing it up
Related toAlso published here
  • "18 Card Mystery" (Bob Hummer, Face-up / Face-down Mysteries, 1942)
2012 4
Persi Diaconis, Ron Graham The Magic of De Bruijn Sequences Deck tossed out, deck is freely cut and five cards are selected, magician correctly divines them all, also describes the mathematics behind De Bruijn sequences
Inspired byVariations 2012 18
Ronald A. Wohl (Ravelli) Order Matters Deck tossed out, deck is freely cut and five cards are selected, magician correctly divines them all, also describes the mathematics behind a different type of De Bruijn sequence
2012 47
Persi Diaconis, Ron Graham The Gilbreath Principle Describes the intricate mathematics of the Gilbreath Principle
2012 61
Persi Diaconis, Ron Graham The Mandelbrot Set Mathematics of the Mandelbrot Set and its link to Gilbreath
2012 72
Persi Diaconis, Ron Graham A Look Inside Perfect Shuffles Describes the mathematics of perfect faro shuffles, how to stack the deck using in and out shuffles
2012 92
Persi Diaconis, Ron Graham The Oldest Mathematical Entertainment? chapter intro
2012 103
Ron Graham, Persi Diaconis How Many Magic Tricks Are There? Mathematical estimation of the number of magic tricks in common usage
2012 114
Persi Diaconis, Ron Graham Using the I Ching for Divination How the I Ching is used, with some mathematics
2012 122
Persi Diaconis, Ron Graham Probability and the Book of Changes Mathematics of the I Ching
2012 125
Persi Diaconis, Ron Graham Probability and the I Ching Mathematical aspects of I Ching
2012 136
Persi Diaconis, Ron Graham What Does Up Must Come Down Chapter on mathematics of juggling
2012 137
Persi Diaconis, Ron Graham Stars of Mathematical Magic
2012 153
Persi Diaconis, Ron Graham Alex Elmsley About Alex Elmsley's work in mathematical magic
2012 156
Persi Diaconis, Ron Graham Bob Neale About Bob Neale's work in mathematical magic
2012 160
Persi Diaconis, Ron Graham Charles Thornton Jordan About Charles Jordan's work in mathematical magic
2012 189
Persi Diaconis, Ron Graham Bob Hummer About Bob Hummer's work in mathematical magic
2012 201
Persi Diaconis, Ron Graham Martin Gardner About Martin Gardner's work in mathematical magic
2012 211
Karl Fulves Three Cheat Monte spectator shuffles deck and deals out two cards, looks at one and exchanges the other two, selection indicated and named
Inspired by 2012
Prolix (Issue 10)
639
Karl Fulves Bill Optics mathematical counting trick with bills, swindle patter, values determined apparently by feel
2012
Prolix (Issue 10)
685
The Beer-Drinking Puzzle "Who paid for the beer?"
Related toAlso published here
  • "Mathematics And The Imagination" (1940)
2012
Prolix (Issue 10)
693
John Born Mathematical 3-Card Monte Revisited Three cards freely chosen, one is selected, three cards moved around, magician divines selection. Includes surprise finish of three cards becoming blank
Inspired by 2012 104
David Regal (reviewer) BackTwist by Mathieu Bich July 2012
Genii (Vol. 75 No. 7)
87
Dani DaOrtiz El juego de las 3 tazas mathematical monte using three cups
Related to 2012
El Manuscrito (Vol. 5 No. 22)
730
Ryan Swigert The Garden Path two piles made, card selected from one, everything shuffled and card located, sucker math trick
Inspired by
  • "Cabalistic Card Trick" (Stewart Judah, The Linking Ring, Feb. 1964)
2012 22
David Britland Straight to the Point
  • Cardopolis
one of five, mathematical
Inspired by Feb. 2013
Genii (Vol. 76 No. 2)
42
Danny Orleans (reviewer) Tiny Plunger by Jon Armstrong, Mathieu Bich, Garrett Thomas Sep. 2013
Genii (Vol. 76 No. 9)
99
David Regal (reviewer) Tiny Plunger by Jon Armstrong, Mathieu Bich, Garrett Thomas Oct. 2013
Genii (Vol. 76 No. 10)
94
Jon Racherbaumer On the Slant
  • Undiluted Hocus-Pocus (Martin Gardner, 2013)
  • Compelling People (John Neffinger, Matthew Kohut)
  • Macroanalysis (Mathew L. Jockers, 2013)
  • By the Grace of Guile (Loyal Rue)
Dec. 2013
Genii (Vol. 76 No. 12)
12
Miguel Gómez, Dr. Jacob Daley Doble adivinación Two cards selected from shuffled deck, deck split into two, when dealt down, both cards turn up at the same time
Inspired by 2013
El Manuscrito (Vol. 6 No. 23)
756
Michael Weber, Tim Trono Long Distance Journey mathematical three card monte version over phone with three paper pieces with letters on them, spells CAB at the end
Inspired by July 2013
Real Secrets (Vol. 2 No. 16)
1
Jim Steinmeyer Introduction on mathematical tricks
2014
Jim Steinmeyer The Treasure Map
Inspired by
  • trick in Mathematical Recreations and Essays (W. W. Rouse Ball, 1892)
2014 27
Simon Aronson Bluff Oracle Reverse Faro exploration, Oracle effect without math
Inspired by 2014 20
David Britland (reviewer) Mathematical Card Magic by Colm Mulcahy Jan. 2014
Genii (Vol. 77 No. 1)
88
Jon Racherbaumer On the Slant
  • The Improbability Principle (David J. Hand)
  • The Best Writing on Mathematics 2013
  • American Fun (John Beckman, 2014)
  • The Eye is Quicker (Richard D. Pepperman, 2004)
Apr. 2014
Genii (Vol. 77 No. 4)
12
Joe M. Turner (reviewer) Hungry? by Mathieu Bich Apr. 2014
Genii (Vol. 77 No. 4)
92
David Britland Adamathica: ACAAN for 1921
  • Cardopolis
intro, on Bertram Adams's "Adamathica"
Aug. 2014
Genii (Vol. 77 No. 8)
24
David Britland The Trick that Baffled Babbage four cards pocketed unseen, any card thought of from remaining cards, it ends up at position indicated by the four cards (values added) after dealing procedure
Inspired by
  • "Adamathica" (Bertram Adams, marketed 1921)
Aug. 2014
Genii (Vol. 77 No. 8)
24
David Oliver (reviewer) Rainbow Connection by Mathieu Bich Dec. 2014
Genii (Vol. 77 No. 12)
86
Michael Weber, Tim Trono Pocket Change I Ching three coins mixed according to rules printed on a card, coin that ends up in spectator's hand is predicted
Inspired by May 2014
Real Secrets (Vol. 3 No. 26)
1
Denis Behr, Alex Elmsley Mathe-Mate-Ics In a progressively more impressive demonstration, the participant cuts a number of cards from the deck. The magician cuts the remainder in two. Dealing down in both the magician's packets to the participant's number, two mates are found. This is repeated two times.
Inspired byAlso published here 2015 124
Doug Canning Tile Force Variation on the matrix force. Number force with grid
Inspired byVariations
  • Mathematical Recreations by Maurice Kraitchik, 1942.
2015 116
Steve Beam Scorecard V mathematical Revelation of a randomly generated number
Inspired by
  • Coincidence (George G. Kaplan, The Linking Ring, Feb. 1951)
Related to
2015 145
Marty Kane Three-Peat Deceit Mathematical spelling routine to reveal a selection.
Inspired by
  • Bottom to Top Principle (Colm Mulcahy, Mathematical Card Magic, 2013)
2015 162
Steve Beam, Doug Canning Bottoms Up Two cards revealed through spelling them.
Related to
  • Bottom to Top Principle (Colm Mulcahy, Mathematical Card Magic, 2013)
2015 163
Marty Kane Four Suits, Forsooth! mathematical four-Ace production
Related to 2015 172
Marty Kane Development Guide to the Reverse Count Principle Summary of ideas related to Martii Siren's improvement to Colm Mulcahy's Bottom to Top Principle
Inspired by
  • "Double Dealing with a Difference" (Martii Sirén, Mathematical Card Magic, 2013)
2015 178
Marty Kane Magic Word Play Spelling her choice of magic spells from a list of spells, the spectator locates their selection.
Inspired by
  • Colm Mulcahy's "Odd Location Method" in "Mathematical Card Magic"
2015 185
Bill Simon The Four Queens Procedure eight unknown cards, spectator picks four, all Queens are in one pile
VariationsAlso published here
  • "The Four Queens" (Bill Simon, Mathematical Card Magic, 1964)
2015 275
Colm Mulcahy Poker with Any Ten Cards using random cards
Related to
  • Mathematical Card Magic, 2013, p. 74
2015 312
Bob Farmer, Peter Winkler Winkler Poker chapter intro, Position Parity Principle
Related to 2015 313
Danny Orleans (reviewer) Nomad Pad 2.0 by Mathieu Bich, Nikola Pelletier Aug. 2015
Genii (Vol. 78 No. 8)
87
Richard Kaufman (reviewer) Ghost Camera by Mathieu Bich Nov. 2015
Genii (Vol. 78 No. 11)
73
Richard Kaufman (reviewer) Magic Plunger by Mathieu Bich, Jon Armstrong Nov. 2015
Genii (Vol. 78 No. 11)
73
Jim Steinmeyer The Nickel Under Your Foot presentation for mathematical number force leading to the date on a coin
2015 2
Roberto Giobbi Mathematical Curiosities (2^2)^2 = 2^(2^2), presentational idea
2016
Hidden Agenda (Issue Jan 8)
11
A Magical Hoax gag in which balls of bread are swallowed
Related to
  • "Récréations Mathématiques et Physiques" (Jacques Ozanam, 1692, p. 427)
2016
Hidden Agenda (Issue June 20)
178
Roberto Giobbi MaToFo: A Mathematical Topological Force no-touch dealing force
2016
Hidden Agenda (Issue Aug 5)
224
Roberto Giobbi Mathematical Structure! presentational idea
2016
Hidden Agenda (Issue Sep 19)
270
Roberto Giobbi Formula X on mathematics & magic
2016
Hidden Agenda (Issue Nov 26)
339
John Hostler The Triskadequadra Principle related to Gilbreath, allows knowledge about consecutive groups of four cards after a riffle shuffle if the deck starts out in four-card-groups of the same order
Related to 2016 58
Colm Mulcahy Flushed with Embarrassment Triskadequadra Application #4
seven poker hands dealt, five people pass their best card to a beginner and worst card to the spectator, beginner ends up with four Aces and a King, performer with straight flush
Also published here
  • Mathematical Card Magic, 2013
2016 71
Jon Racherbaumer Hummer Job Hummer's Mathematical Monte variation with three cards, chosen one named after all cards are put back in the deck
Inspired by May 2016
Genii (Vol. 79 No. 5)
42
David Britland Thoughts on Hummer's Monte
  • spectator cuts three packets, bottom card of one packet is remembered and other two piles switched
  • repeat phase with Svengali deck
Inspired by Sep. 2016
Genii (Vol. 79 No. 9)
26
Nicholas Sinamon Scrabble Sum scrabble pieces used by spectator to form a word, their value is added and that page number in dictionary reveals the word
Inspired by
  • "Position Parity Principle" (Peter Winkler, Mathematical Puzzles, 2004)
Dec. 2016
Genii (Vol. 79 No. 12)
62
Roy Walton Math Chore Alas
Also published here 2016 100
Roy Walton A Mathematical Joke gag presentation in which an Ace is used to indicate that one has to count off one single card which is the selection
2016 108
Bob Farmer Part Two: The Math Explained intro
2017 38
Bob Farmer The Trinary Number System "Don't be afraid of the math - it is your friend."
2017 40
Mathieu Bich 3rd Hand Sandwich Jokers placed on top and bottom of deck, when pulled away, card appear between them
Apr. 2018
Elixir (Vol. 1 No. 4 (Spring #1))
50
Denis Behr Routined Arith-Mate-ic packet cut off and counted, rest is cut into two piles, number counted down in both piles and mates show up, three phases
  • Set-Up from Tamariz Stack
Inspired byAlso published here 2018 12
Harapan Ong 4, 3, 2, 1 hybrid flexagon to consecutively reveal four cards
Related to
  • hybrid flexagon, Douglas Engel, Journal of Recreational Mathematics 2, 1969
2018 205
David Solomon, Gene Castillon Solomon's Math Challenge sixteenth card principle variation
  • Solomon's Variation
Inspired by 2018 139
Steve Beam Simple Math chapter intro
2018 259
Richard Kaufman (reviewer) Constellation Card by Mathieu Bich Feb. 2018
Genii (Vol. 81 No. 2)
66
Jon Racherbaumer On the Slant
  • The Math Behind... (Colin Beveridge)
  • Videocracy (Kevin Alloca, 2018)
  • Here Is Real Magic (Nate Staniforth)
May 2018
Genii (Vol. 81 No. 5)
32
David Oliver (reviewer) LightPaint by Mathieu Bich Oct. 2018
Genii (Vol. 81 No. 10)
90
Matt Baker Hive Mind spectators help create a prediction about the number of coins held by two spectators (pennies, quarters, nickels and dimes), mathematical principle based on red/black relationship principle
Inspired by
  • "The Intuition Test" (Dr Larry Hass, Deep Mental Mysteries)
Variations
2019 135
Matt Baker Pile Driver Complicated mathematical version of the twenty one card trick, based on principle by Edmé-Gilles Guyot
Inspired by 2019 217
Michał Kociołek Lucky You Chosen card found at position established by sum of randomly chosen numbers written on pieces of paper, based on mathematical principle
Inspired byRelated to 2019 18
Pure Mathematics
2019 203
Marty Kane, Michael Powers, Colm Mulcahy, Chris Wilcox BTTP Revisited
  • The Bottom to Top Principle" (Colm Mulcahy)
  • Three-Peat Deceit by Marty Kane (spectator spells name of card three times, then it is on top)
  • Try This (three spectators simultaneously)
  • Telephone/Radio Version
  • Last Minute Addition (restoring original order)
Inspired by
  • "Bottom to Top Principle" (Colm Mulcahy, Mathematical Card Magic)
2019 237
Rhys "Morgan" Jones, Robert "West" Tay The 40 Digit Hyperbrain Act forty numbers from billets written on grid on slate, miscalling, number sequence recalled by blindfolded performer, square root calculation with selected numbers, sum given
  • Required Mathematics
Related to 2020 301
Steve Beam Diabolicool two freely selected cards end up at same positions in two piles
Inspired byRelated to 2020 107
Steve Beam Too Diabolicool cut card appears at same position as chosen card in second pile
Inspired byVariations 2020 112
Steve Beam Four-Way Diabolicool
Inspired by 2020 116
Ramón Riobóo Max Factor mathematics for dealing and re-dealing any amount of cards in several hands to end up in the same order
2020 153
Jeff Pierce Solitary Rock, Paper, Scissors mathematical three card monte with rock, paper scissors theme, several phases
Inspired by 2020 169
Marty Kane Ascend-Sation! dealing and spelling to end up at selection, over phone
Inspired by
  • Martti Siren's "Off-Center Bottom to Top Principle" in Colm Malucahy's "Mathematical Card Tricks"
2020 207
Jon Racherbaumer Ducky-Dealing Poker ten-card packet used to find Royal Flush via deal & duck
Inspired by Feb. 2020
Genii (Vol. 83 No. 2)
46
Richard Kaufman (reviewer) The Blur by Mathieu Bich, Garrett Thomas, So Sato Nov. 2020
Genii (Vol. 83 No. 11)
17
Jim Steinmeyer Subversive Math
2020 14
Jim Steinmeyer Tour de Force forcing one of ten cards, mathematical
2020 17
Larry Jennings Easy Intuition first Ace found with version of ten-twenty force, then one of two options
  • re-deal force in two packets
  • cutting the Aces with switch
Inspired byRelated to 2020 451
Michael Rubinstein Vegas Math multi-coin production as finale
Inspired byAlso published here
  • At the Table lecture, 2017
2020 222
Michael Rubinstein Fuzzy Math
Inspired byAlso published here
  • Coin Magic lecture notes, 2010
2020 225
Jon Racherbaumer Mindful Monte
  • Exhumations
chosen card named at the end
Inspired by Aug. 2021
Genii (Vol. 84 No. 8)
47
Ricardo Rodriguez 1-3+2=0 surrealistic silk routine, silks appear and vanish in hand to make sense to mathematic equation
2021 89
Michael Weber History and Insights credit information and discussion, Age Cards principle
  • Fantasy 5 Lottery
  • Other Systems
  • Math and One Way to Eliminate It
  • A Small Gesture Can Say a Lot
  • Everything is Useful Half the Time
  • Periodicity
  • Traditional Presentation
  • A Few Notes on Deception
  • Confidence Increases
2021 12
Marty Kane Alpha-Bit three piles made, three cards removed from center pile after some spelling of some cards, they turn out to be the cards the performer named earlier (according to some alphabetical rules, apparently)
Inspired by
  • "Off-Center Bottom to Top Principle" (Martii Siren, Colm Mulcahy's Mathematical Card Tricks, 2013)
June 2022
Elixir (Vol. 3 No. Florida Issue Part One)
20
Dominique Duvivier Mathusalem chosen Ace is sandwiched and tabled between two Kings, another card is chosen from deck, they transpose, selection is also predicted
Mar. 2022
Genii (Vol. 85 No. 3)
62
David Regal (reviewer) Fused Anthology by Mathieu Bich Aug. 2022
Genii (Vol. 85 No. 8)
77
Jon Racherbaumer Mathematician vs. Psychic vs. Magician
  • Exhumations
sixteen-card packet, spectator choses card and its position, it's divined, in repeat it is the only odd-backed card
Inspired byAlso published here Nov. 2022
Genii (Vol. 85 No. 10-11)
92
Christoph Borer, Hans-Christian Solka Der mathematische Geburtstag magic square for birthday, number generated of day and month
2022 37
Bob Farmer Inspired By Hummer list of effects using the Hummer Addition/Subtraction Principle
  • The Total Is! 1976 (The Magic of Gerald Kosky)
  • The New Math Miracle 1978 (Larry Becker, World of Super Mentalism)
  • Numeral-oh-gee 1979 (Amazing Randi, Apocalypse)
  • Stunumbers 1983 (Shigeo Futagawa, Self-Working Number Magic)
  • Stargazer 1986 (David Britland, Psychomancy)
  • Prediction 1991 (Shigeo Futagawa)
  • A Sense Of Freedom 1992 (Peter Duffie, Ulterior Motifs)
  • Numb...bers 1994 (Peter Duffie, Cards In Principle)
  • Bird Watcher 1997 (Tenyo)
  • Card Conspiracy 2003 (Peter Duffie, Robert Robertson)
  • Speed Dating 2011 (Michael Weber, Tim Trono)
  • Real Secrets Jelly Bean Estimator 2012 (Michael Weber, Tim Trono)
  • Lotto Envelopes 2012 (Michał Kociołek)
  • Papa’s Theatre 2013 (Gaëtan Bloom, Full Bloom Volume One)
  • Doubling Down 2015 (Steve Beam, Semi-Auotomatic Card Tricks Vol. 9)
  • Card At Any Sum 2017 (Ryan Schlutz, False Anchors)
  • Lucky You 2019 (Michał Kociołek, Plots & Methods)
  • Flat Dice 2019 (Michael Breggar)
  • RNG 2020 (Ryan Schlutz, False Anchors Volume Four)
2022 44
Bob Farmer The Math of the Ten Count Force
2022 3
Nick Diffatte, Tyler Erickson School of Hard Knots knot taken off rope, rope cut into three unequal pieces that become equal, tied into one long rope, knots come off and rope is restored and examined
Inspired by
  • "Professor's Math" (Aldo Colombini)
2022 13
Joshua Jay The Overlap intro on the overlap gaff, credit information
  • Overlap Overview
Related toAlso published here 2022 93
Joshua Jay Overlap Aftermath more on the overlap gaff
Related toAlso published here 2022 125
Roy Walton Math Chore Alas
Also published here 2022 313
Mathieu Bich Expertalk: Mathieu Biche on Marlo's Tilt tilted card slowly lowered with blowing/air pressure
Inspired byAlso published here
  • MAGIC, Nov. 2004
2022 352
Martin Gardner Can't Loose Change game with coin row that can be predicted
Inspired by
  • opening problem in Peter Winkler's Mathematical Puzzles, 2004
Also published here
  • MAGIC, June 2007
2022 624
Frank Fogg Simple Math Ten of Diamonds found, a Three is removed and the Seven remains
Inspired byAlso published here
  • MAGIC, Nov. 2010
2022 987
Juan Tamariz The New Year Addition perpendicular hide-out at bottom, added under face-up fan
Related to 2022 30
Scott Baird One Point Five Hummer mathematical three card monte with three chosen cards, cards are divined as well
Inspired by Dec. 2023
The Hermit (Vol. 2 No. 12)
1126
Werner Miller Hat Trick spelling lie-detector trick with three cards with colored hats
Inspired by
  • "Il tuo Ferrari" (Werner Miller, 2005, online magazine Visions)
Related to
Dec. 2023
The Hermit (Vol. 2 No. 12)
1129
Allan Ackerman New Math Addition perpendicular hide-out at bottom, added under face-up fan
Also published here 2024 38
Allan Ackerman Lucky spectator finds the Kings and Aces after some shuffling, cutting and dealing piles
Inspired by 2024 120