47 entries in Cards / Effect Themes / Number Effects / Deck as Calculator or Calendar
Creators Title Comments & References Year Source Page AA Categories
Edward Bagshawe Fixing the Date face cards of four packets formed by audience’s choices make up digits of randomly-chosen year, number cards
1936 ca. Twenty Magical Novelties 34
Lloyd E. Jones The Cyclic Number A packet containing six cards forming the number 142857, when multiplied by any number from 2 to 6, gives a result which the cards themselves reveal
1956 Mathematics, Magic And Mystery 9
Tom Batchelor The Number and Value of the Cards cards add up to fourteen, using the Fourteen of Spades card
1968 Ireland's Yearbooks (Issue Yearbook 1967-68) 96
Karl Fulves Mental Giant deck as calculator, 3D and 8D, sum or difference appears between them
Winter 1968 The Pallbearers Review Vol. 1-4 (Vol. 4 No. 2nd Folio) 222
Henry Christ, Harry Lorayne The Difference & The Sum spot cards are used for calculations multiple times, outcome predicted
1971 Reputation-Makers 105
Henry Christ The HC Difference & Sum original handling, spot cards are used for calculations multiple times, outcome predicted
1971 Reputation-Makers 113
Fred Kaps I am in Debt Ace to Four, then cards are removed, always add up to ten
Related toVariationsAlso published here 1972 Fred Kaps Lecture 5
Gene Finnell Unknown Difference two packets cut off, Klondike shuffle with rest, reversed card is now at a position that corresponds to difference of the two sizes of the cut-off packets, Penelope
1973 Gene Finnell's Card Magic 12
Gene Finnell Computer deck can count (Ace, Two, Three appear) and give the sum and difference of two cut-off packets, Klondike Shuffle
1973 Gene Finnell's Card Magic 13
Francis Carlyle Date Card Trick cutting the Aces forming year dates
1975 The Magic of Francis Carlyle 110
Nick Trost A Prediction and a Date - Updated Cards dealt to any year called for from 1900 to 1975, plus predict a card
Variations 1976 Subtle Card Magic: Part Two 16
Richard Himber Calculator Cards No. 62, selection is "six and three quarters cards" down in deck, it's correct with a card in which a quarter is torn out
1976 Self-Working Card Tricks 94
Harry Lorayne The Calculating Deck deck does a simple calculation
Inspired by 1977 The Magic Book 127
Christian Scherer 3-6-9 deck as calculator, selection found at total
1978 Eine Handvoll Kartenkunststücke 53
Fred Kaps Schulden Ace to Four, then cards are removed, always add up to ten
Also published here 1978 Fred Kaps Lecture 6
Karrell Fox Guaranteed Future comedy fortune telling routine in which current date comes out, spectator gives kiss to performer
1979 Another Book 111
Paul Harris Shuffle Time cards are cut in piles, numbers on top change into current time
VariationsAlso published here 1981 Close-up Fantasies Finalé 43
Paul Harris Mickey Mouse Math cards change and split to display basic calculations with its spot values
VariationsAlso published here 1981 Close-up Fantasies Finalé 105
Peter Kane Cards as Calculators
1982 Kane 48
J. W. Sarles The Calculator Card Trick No. 77, deck answers simple calculation after a spectator's cut
Variations 1984 More Self-Working Card Tricks 116
Karl Fulves Non-Adjustable 10 Ace, Four and Five, then cards are removed, always add up to ten
Related to 1987 Secret Session — Part Three 60
Ed Andres Sleightly Diced Ace, Two and Three of Clubs on table with dice on top with the same number upwards, cards follow when dice are changes, Six of Clubs appears as finale
Inspired by 1987 Riffling the Pasteboards — Again! 14
Vic Shoenk, Karl Fulves Destiny No. 76, coin from batch chosen, deck shuffled and dealt into four piles, face cards on piles are the year of the date, e.g. Ace-Nine-Eight-Nine
1989 Self-Working Coin Magic 105
Alex Elmsley Sum Talk of Alexander value of selection is used to deal to another selection and so on through the deck, sum of all values equates a number from beginning
1994 The Collected Works of Alex Elmsley — Volume 2 171
Karl Fulves Day One date chosen by choosing some face-up and face-down cards from grid layout, looked up in diary, card noted there predicted, tapestry
Variations 1994 Crooked Tales 35
Jack Birnman Higher Math cards are used and transform/appear to illustrate simple calculations
Related to 1996 The Looking Glass (Issue 3) 93
Paul Harris Mickey Mouse Math cards change and split to display basic calculations with its spot values
Also published here 1996 The Art of Astonishment — Book 3 (Issue Close-up Fantasies Finale) 67
Paul Harris Shuffle Time cards are cut in piles, numbers on top change into current time
Also published here 1996 The Art of Astonishment — Book 3 (Issue Close-up Fantasies Finale) 75
Bob Driebeek Wie spät ist es? doing four reverse faros to form four piles, four top cards match with current time
Inspired by 1996 Aenigmas Rätsel 11
Mickey MacDougall Trick of the Ages spectator cuts to cards which duplicate a chosen date
1997 The Fred Braue Notebooks (Issue 8) 20
David "Fu Manchu" Bamberg Das Orakel card reading routine with layout which coincides with what the performer says, current time shows up as well
1997 Intermagic (Vol. 21 No. 3) 118
Karl Fulves Takeaway seven-as-nine count, a Three taken away, only six cards remain
1998 The Fine Print (Issue 9) 270
Fred Kaps, James Swain I am in Debt cards total ten although one by one is removed
Related to 1999 21st Century Card Magic 108
Unknown Mental Math No. 10, three spectator concoct three-didget numbers from cards, they are added and sum predicted as four cards in case
2001 New Self-Working Card Tricks 16
David Regal The Sum Of The Parts Micky Mouse Math variation
Inspired by 2002 Constant Fooling 1 12
Lewis Jones Calculated risk deck helps with calculations
  • First calculation: money
  • Second calculation: time
Inspired by 2002 Ahead of the Pack 239
Karl Fulves Sum Card Prophet spectator choses card face-up and stabs it into face-down deck, cards on either side add up to chosen value
Related to 2004 When Psychics Play Poker 54
David Acer Changes pips move around on Five & Two of Clubs to Four and Three of Clubs, then fuse to Seven of Clubs, then split back to Five and Two of Clubs
Inspired byAlso published here 2004 Random Acts of Magic 21
Peter Duffie, Aldo Colombini, Robin Robertson Any Deck's a Calculator values add up to number of cut-off cards, using Killer Count
2004 Killer Koncepts 22
Jack Avis Calculating Cards
2006 Rara Avis 30
Karl Fulves Year With Meaning "Unexplained"
overhand stacking the values that combine to a year, posed as a problem
2007 Prolix (Issue 3) 179
David Acer Changes pips move around on Five & Two of Clubs to Four and Three of Clubs, then fuse to Seven of Clubs, then split back to Five and Two of Clubs
Also published here 2011 More Power to You 129
Ramón Riobóo The Executor result of calculation is shown in form of playing cards
2018 Semi-Automatic Card Tricks — Volume 11 131
Joshua Jay Overclocked spectator deals some piles and located three Aces to match a fourth one, the next three cards's values give the current time
Inspired by
  • "Ten for Ten" (Yves Doumergue, MAGIC, Sep. 2003)
2019 Triptych 1
Michael Powers, Keith Randolph Chaos four number cards used to generate four-digit number that is put in calculator, another number is subtracted, final result is nine and the four Nines are shown to be at top of four previously cut-off packets
2019 Tesseract 218
Fred Kaps, Camilo Vázquez Over the Limit four cards total ten, one after the other is removed but cards still total ten, Visa card appears on back of last card
Inspired by 2020 Semi-Automatic Card Tricks — Volume 12 46
Chris Rawlins Variant One cards at end of "One Card Poker" make up current date
Inspired by 2020 Un-Luck 20