Mathematical

90 entries in Cards / Effect Themes / Divination / Mind Reading / Mathematical
Creators Title Comments & References Year Source Page AA Categories
Henri Decremps Tour des trois Bijoux rendu plus simple & plus merveilleux. three objects (jewelry, watch, cigarette case) are selected by three people and all get some playing cards which are added after some rules, performer divines who has which object
 		1785 Supplément A La Magie Blanche Dévoillée 235
Unknown Four Packets of Cards having been Formed face downwards on the Table, to discover the Total Value of the Undermost Cards
Related to 1876 Modern Magic 49
Unknown Any number of Packets of Cards having been formed face downwards on the Table, to discover the Total Value of the Undermost Cards. with formula for any number of cards
Related to 1890 More Magic 23
Unknown New Numerical Trick with Cards three heaps formed while performer is blindfolded according to some mathematical instructions, performer in the end know amount of cards in center pile
 		1890 More Magic 25
Unknown To name the Bottom Card of each of Three Heaps of Cards performer divines bottom cards of three piles by making up mathematical rules with other drawn cards
 		1890 More Magic 88
Unknown Ne Plus Ultra - First Method pile of cards removed, noted and placed on pack, after some dealing procedure, the performer divines the cards in face-down layout, also alternative with marked deck or stripper, "quadrating" (p. 50)
Also published here 1897 New Era Card Tricks 48
Unknown Ne Plus Ultra - Second Method pile of cards removed, noted and placed on pack, after some dealing procedure, spectator deals through cards and performer stops him at all selections
Also published here 1897 New Era Card Tricks 55
Unknown Das non plus ultra-Kunststück pile of cards removed, noted and placed on pack, after some dealing procedure, the performer divines the cards in face-down layout, translation by John Willmann
Related toAlso published here May 1900 Die Zauberwelt (Vol. 6 No. 5) 67
Unknown Das non plus ultra-Kunststück part two of translation, with marked and stripper deck variants
Related to June 1900 Die Zauberwelt (Vol. 6 No. 6) 83
Unknown Das Non plus ultra-Kunststück
  • Zweite Methode
pile of cards removed, noted and placed on pack, after some dealing procedure, spectator deals through cards and performer stops him at all selections
Also published here July 1900 Die Zauberwelt (Vol. 6 No. 7) 99
Robert Lenz Das Erraten der Zahl der Points mehrerer Karten piles made by counting up to fifteen from whatever value the first card of each pile is, sum of bottom cards of piles divined
 		July 1901 Die Zauberwelt (Vol. 7 No. 7) 102
Unknown Von drei Karten, welche drei verschiedene Personen gezogen haben, die zu nennen, welche eine jede gezogen hat three spectators do some calculation with their selections after which the performer know who has which card
 		Nov. 1902 Die Zauberwelt (Vol. 8 No. 11) 174
Friedrich "Fritz" Hügli Die magischen Radiokarten ring, watch and coin are taken by spectators along with playing cards, performer divines who has which object, mathematical
 		1927 Leichte Zauberei 142
Friedrich "Fritz" Hügli Erraten einer fehlenden Karte mit Hilfe der Quersumme numbers of a four digit number used, one card placed inside pocket and divined by performer
 		1930 Zauberkunststücke 84
Unknown A Psychic Card Feat after some calculations the spectator selects a card that the performer divines
 		1937 Encyclopedia of Card Tricks 186
Unknown A Matter of Debit and Credit "I have as many cards as you have, and enough....", magician twice divines correct number of cut off cards
Variations 1938 Greater Magic 157
Oscar H. Paulson Bridge Mentalo freely selected card is found out after some calculation with its value and suit
 		1939 The Jinx (Issue Summer Extra 1939) 411
Bob Hummer The Whispering Spirit packet is cut and subtracted from a unknown calculation (age x nine), amount of cards in packet is divined when result is named
Also published here 1941 The Whispering Spirit 1
Jack Miller Count Ten! on from ten cards is divined, also possible over the phone
 		1945 The Phoenix 51-100 (Issue 96) 389
Charles Kalish Purely Mental card divination, without cards, mathematical divination
 		Mar. 1945 Hugard's Magic Monthly — Volumes I, II, III and IV (Vol. 2 No. 10) 109
Warren Wiersbe Dual Decisions spectator's card is divined with 2 other cards (suit & value)
 		1946 Mental Cases With Cards 24
Russell "Rusduck" Duck 32 selection process with square layout
Variations 1946 The Phoenix 101-150 (Issue 109) 439
Bob Hummer Kilroy Gets Around message appears on card, mathematical procedure
Also published here 1947 3 Trix New Easy To Do 1
Unknown Telling a Chosen Card Divine value of playing card via mathematical method (multiply by three, add six, divide by three)
 		1949 Tricks and Stunts With Playing Cards 25
Unknown Miracle Spot Revelation Divine number of spots on card, very procedural and mathematical
 		1949 Tricks and Stunts With Playing Cards 36
John Scarne Double Duty No. 39, Spectator secretly transfers a number of cards (one to ten) to magician's packet, magician produces card with same value
 		1950 Scarne on Card Tricks 71
Jack Spalding The Card That Tells No. 43, Mathematical trick, divine how many cards spectator pocketed
 		1950 Scarne on Card Tricks 76
Jack Miller The Magic Number Trick No. 52, Mathematical card trick
 		1950 Scarne on Card Tricks 93
Audley Walsh Walsh's Long Distance Card Trick No. 67, Divine number of pocketed cards over phone
Also published here 1950 Scarne on Card Tricks 123
Bob Short The Puzzler No. 70, Mathematical Procedure, add up to twelve
 		1950 Scarne on Card Tricks 129
Harry Blackstone Cardology --or, A Card Trick Without Cards No. 118, magician divines thought-of card after spectator follows mathematical procedure and announces the result
 		1950 Scarne on Card Tricks 229
Eddie Joseph On the Square No. 143, magician divines number of face-up cards in spectator's pocket
 		1950 Scarne on Card Tricks 275
Bob Hummer Five Card Baffle one of five cards is divined, off-beat method
VariationsAlso published here 1952 The Last Word on Cards 57
W. F. "Rufus" Steele The Baffle Follow-Up one of five cards is divined
Inspired by 1952 The Last Word on Cards 58
John Snyder Numbers at Work card is divined by building the square root of two piles
 		1955 One More Thought on Cards 307
Bob Hummer D-D-D Dial A Date Deal two rows of eight cards are dealt on the table, some face up and some face down, spectator selects a name on a sheet and turns cards over corresponding to the number next to the name, performer's back is turned and when he looks at cards name can be divined
Related to 1955 (ca.) D-D-D 1
Unknown The Five Poker Hands Five spectators dealt five cards each, think of one, put back and re-dealt, divine all the selections
 		1956 Mathematics, Magic And Mystery 3
Unknown The Missing Card method to clock the deck to find missing card
Variations 1956 Mathematics, Magic And Mystery 10
Nate Leipzig Mathematics three cards are revealed with a mathematical calculation
 		1963 Dai Vernon's Tribute to Nate Leipzig 163
Bob Ostin The One-To-Ten Red and Black Mystery Ten cards from Ace to King are used, five red and five black cards. Spectator thinks of a number and adds a number from the cards, performer produces two cards which equal the total
 		1968 Fingertip Fantasies 73
Ken Beale, Russell "Rusduck" Duck, Marvin Johnson 32 Deal Duplicated selection process with square layout, combination of Ken Beale's "Square Deal" (Ibidem #23) and Rusduck
Inspired by 1970 Hierophant (Issue 3) 126
Dr. Leslie Albert Die-Duction card is counted to, number arrived at with dice
 		1972 Tarbell Course in Magic — Volume 7 86
Edward G. Brown The Two Pile Trick
VariationsAlso published here 1973 The Card Magic of Edward G. Brown 74
Edward Marlo, Gene Nielsen More on Coincidence
1974 The Unexpected Card Book 101
Alexander Past 1984 ... Beyond 2001 cards with ESP symbols are found, mathematical
 		1974 Magick (Issue 93) 461
Nick Trost Divining the Total of Three Bottom Cards Performer divines total number of bottom cards of three piles
 		1976 Subtle Card Magic — Part Two 18
Tan Hock Chuan Secret Sortilege Spectator places a random number of cards in their pocket, after some dealing and discarding, magician can tell how many cards are in their pocket
 		1977 The Magic of Tan Hock Chuan 14
Edward G. Brown Der Zweipäckchen Trick
Also published here Dec. 1978 Intermagic (Vol. 5 No. 4) 137
Christopher Morgan Computer Card Trick with introduction by Karl Fulves
computer program with which any selected card can be divined, program guesses color, suit, etc. correctly
VariationsAlso published here
  • "Computer Card Trick" (Christopher Morgan, On Computing, Fall 1979)
 1979 Interlocutor (Issue 34) 132
Bob Hummer Hummer's 18 Card Mystery spectator takes eighteen cards and turns over the top two cards and cuts the pile, that step is repeated as often as he likes, then the performer takes the cards behind his back and divines the amount of reversed cards
Related toVariationsAlso published here 1980 Bob Hummer's Collected Secrets 7
Bob Hummer Five Card Baffle one of five cards is divined, off-beat method
Also published here 1980 Bob Hummer's Collected Secrets 12
Bob Hummer The Whispering Spirit packet is cut and substracted from a unknown calculation (age x nine), amount of cards in packet is divined when result is named
Also published here 1980 Bob Hummer's Collected Secrets 28
U. F. Grant Grant's Hummer Trick some cards in hand and some in pocket, amount of both is divined
Related to 1980 Bob Hummer's Collected Secrets 29
Bob Hummer Dial a Date Deal two rows of eight cards are dealt on the table, some face up and some face down, spectator selects a name on a sheet and turns cards over corresponding to the number next to the name, performer's back is turned and when he looks at cards name can be divined
Related toVariations 1980 Bob Hummer's Collected Secrets 31
Bob Hummer Hummer Card Mystery several cards removed from deck, and some put in pocket, when performer gets balance of cards he knows how many cards are in pocket
 		1980 Bob Hummer's Collected Secrets 34
Bob Hummer Kilroy Gets Around message appears on card, mathematical procedure
Also published here 1980 Bob Hummer's Collected Secrets 36
Bob Hummer Stop - Thief!!! cards with license numbers on them, deck of playing cards used to divine the number
 		1980 Bob Hummer's Collected Secrets 37
Karl Fulves Shylock card divination over the phone, instruction game
Also published here 1980 Bob Hummer's Collected Secrets 67
Bob Hummer Voodoo Fortune Telling cards with questions on one side and different pictures of zombies on the other side, one question is selected and cards separated several times while checking different features of the zombies, eventually a four digit number is evaluated and leads to the answer of the question in a book, system is explained with playing cards
 		1980 Bob Hummer's Collected Secrets 73
Martin Gardner Hummer's Fortune Telling Book cards with questions on one side and different pictures of zombies on the other side, one question is selected and cards separated several times while checking different features of the zombies, eventually a four digit number is evaluated and leads to the answer of the question in a book
Related toVariations 1980 Bob Hummer's Collected Secrets 77
Bob Hummer Think a Word disc to select an spell any card, card is divined, back turned (1964)
 		1980 Bob Hummer's Collected Secrets 91
James E. Sansotera James E. Sansotera version of Hummer's Fortune Telling Book, without book method
Inspired by 1981 Bob Hummer's Collected Secrets 115
Howard A. Adams Matheight principle, Ace to Eight of a suit are used, mentally chosen card is found after three deals, then both piles have same total, removed card can be named
Inspired by 1981 OICUFESP (Issue 7 - Matheight Miracles) 1
Harry Canar, Karl Fulves Mental Amazement No. 28, two cards at two numbers counted to and removed, number added with values of the cards, both cards divined
 		1983 Self-Working Number Magic 47
Howard Wurst The Decoder Card Trick No. 34, numbers translated into letters to arrive at name of selection
 		1983 Self-Working Number Magic 56
Stephen Tucker Just a few wrinkles... Mathematical card trick, spectator arrives at three digit number, performer uses three digit number to divine three cut-to cards and also spectator's age
Inspired by 1984 The Card-Mad-gic of Stephen Tucker 7
Karl Fulves Red Magic No. 18, spectator places some red cards in his left and right jacket pockets, performer divines numbers
Also published here 1984 More Self-Working Card Tricks 26
Karl Fulves Shylock's Card No. 27, one of three Kings selected and divined over phone
Inspired byAlso published here 1984 More Self-Working Card Tricks 37
Allen Swift Take Away spectator takes three cards, adds values and subtracts anyone again, performer names total
Related to July 1987 Magick (Issue 392) 1958
Steven Youell The Perfect Stopper spectator deals card on table and can stop anywhere, performer knows / names card
Variations 1994 The Trapdoor — Volume Three (Issue 51) 940
Karl Fulves Think of a Card No. 3, spectator takes any card and does calculations with its identity from which performer divines it
 		1995 Easy Magic 3
Nick Trost M-U-M Miracle
Inspired by
  • "Thought-O-Card" (G. P. Appaduri, M-U-M, March 1971)
 1997 The Card Magic of Nick Trost 132
Ellis Stanyon To Discover Value of Two Cards Drawn from the Pack of Fifty-two, Without Seeing Any Cards No. 27, mathematical calculation with two values
 		1999 Ellis Stanyon's Best Card Tricks 73
Ellis Stanyon An Arithmetical Mystery No. 32, two piles made, spectator does some calculation with the amount in each pile and then performer names the amounts
 		1999 Ellis Stanyon's Best Card Tricks 74
Ellis Stanyon To Discover the Respective Holders of Three Cards or Objects No. 33, similar to reference
Related to 1999 Ellis Stanyon's Best Card Tricks 75
Ralph W. Hull, Roberto Giobbi Miraculous Coincidence magician twice divines correct number of cut off cards
Inspired by
  • "Still Simpler" (R. W. Hull, Sandu Writes Again, 1934, Paul Stadelman)
 2000 Card College — Volume 4 891
Reinhard Müller Divination Three by Four object laid out in a matrix, one is selected and divined
Related to
  • Reinhard Müller's "3x3 Square Divination" in "Precursor" LXIII, 1998.
 2002 Semi-Automatic Card Tricks — Volume 4 102
Karl Fulves Dial-A-Die riffle shuffle, twelve cards dealt on table, number of cards according to rolled die transferred, down-under-deal done, ... eventually number on die revealed
Related to 2004 When Psychics Play Poker 56
Sam Schwartz, Karl Fulves Remains To Be Seen spectator cuts off some cards, remembers bottom card and puts pile in card case, after some calculation instructions the performer knows card and number of cards in case, Kraitchik
Related to 2004 Latter Day Secrets (Issue 9) 363
Peter Duffie The Bible Code eight tarot cards, using phone number from an address book some arrangements are done to find selection
Inspired by 2004 Subtle Miracles 112
Tom Craven Selected Suit Divination suit chosen, cards put in pockets of spectator and on packet handed to performer who is then able to announce how many cards of named suit are inside the pile
Related to 2006 Semi-Automatic Card Tricks — Volume 6 63
Stewart James Double Boomerang Two cards chosen, one is divined by magician, one is found in a sealed envelope. Cards are chosen via mathematical procedure
Related to
  • New Tops, Dec 1964
 2007 The Essential Stewart James 150
John Carney Spirit Whitsle whistle on string starts to make sounds, card is revealed
 		2011 Mr. Mysto's Wizard Academy 73
Tony Chang Queens Gambit removed card is "divined" by analyzing four indifferent cards twice, then four of a kind transformation climax
 		2013 I Was Kidnapped 17
Michael Murray, Stephen Shaw Once Removed deck is divided into three piles, spectator removes a card and its mate, two cards are divined, two different stacks explained
 		2014 A Piece Of My Mind 242
Steve Beam 3726 Four people think of a value and then a suit. The magician names each of them.
Related to 2015 Semi-Automatic Card Tricks — Volume 10 162
Steve Beam 3726 for Couples Two people think of a value and then a suit to form two cards. The magician names both playing cards.
Related to 2015 Semi-Automatic Card Tricks — Volume 10 168
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 Semi-Automatic Card Tricks — Volume 9 145
Marty Kane An Odyssey of an Odd Aussie Revelation of a selected card.
 		2015 Semi-Automatic Card Tricks — Volume 9 183
Carlos Santillan Barely Thought-of Card Miracle Divine thought of card in a packet of eight cards by asking "yes" or "no" questions about whether their card is in one pile or not
Inspired by
  • "Merely Thought-of Card Miracle" (Paul Gordon, Aldo Colombini's Self Working Packet Tricks DVD)
 2015 The Saturday Morning Session 17