Calculator

170 entries in Calculator
Creators Title Comments & References Year Source Page AA Categories
Joseph Ovette The Oriental Bead Rack Abacus to force a color, two rows
 		1944
Tricks and Illusionettes
10
John A. Novak Calcu-Total! cards with four-digit numbers and dates are added on a calculator, total is divined/predicted
Related toVariations 1973
Magick (Issue 91)
451
Bob Read Calculator Writing joke, result of a calculation is a hidden message on the calculator, see also page 87 for additional idea by Dr. Brum Antonioli
 		Dec. 1974
Pabular (Vol. 1 No. 4)
51
Calculator Spelling spelling words with upside down calculator
Related to Mar. 1974
The Pallbearers Review Vol. 9-10 (Vol. 9 No. 5)
714
Wesley James, Noel Coughlin The James-Coughlin List list of words that can be read as words upside down on a calculator, see also p. 786
 		June 1974
The Pallbearers Review Vol. 9-10 (Vol. 9 No. 8)
748
Karl Fulves Speak Up phone number converted to "psychic equivalent" with calculator, this number called and something divined, see also p. 815 for comment by J. Benson
Inspired by June 1974
The Pallbearers Review Vol. 9-10 (Vol. 9 No. 8)
748
Karl Fulves Pocket Calculators intro to some effects
 		June 1974
The Pallbearers Review Vol. 9-10 (Vol. 9 No. 8)
749
Karl Fulves You're In The Army upside down number to word gag
 		June 1974
The Pallbearers Review Vol. 9-10 (Vol. 9 No. 8)
749
Martin Gardner Strange Bedfellows upside down number to word gag
 		June 1974
The Pallbearers Review Vol. 9-10 (Vol. 9 No. 8)
749
Rick Johnsson It's Delete-Ful sum prediction, using calculator ruse, see also p. 815 for comment by Ronald Herman
 		June 1974
The Pallbearers Review Vol. 9-10 (Vol. 9 No. 8)
749
L. Vosburgh Lyons Add and Subtract number thing with desk calculator
 		June 1974
The Pallbearers Review Vol. 9-10 (Vol. 9 No. 8)
750
Calculator Gag "SHELL OIL" spelled out
 		Dec. 1974
The Pallbearers Review Vol. 9-10 (Vol. 10 No. 2)
824
Al Mann Thinking Machines - Part One longer article on using calculators
  • Forward
  • General Patter Outline
 		Dec. 1974
The Pallbearers Review Vol. 9-10 (Vol. 10 No. 2)
832
Al Mann Golden Digits two people with office machines/calculators on stage, numbers called out and added, two numbers thought of and added, prediction on slate
  • First Method
  • Revised Method
 		Dec. 1974
The Pallbearers Review Vol. 9-10 (Vol. 10 No. 2)
832
Vic Perry The Last Miracle divination of total from calculator, misplaced buttons
Inspired by 1974
Magick (Issue 114)
567
John A. Novak Incalculable forcing a number with a calculator
Related to 1974
Magick (Issue 116)
578
Fredric Kolb ... And the Last Word on perfect calculator model for Novak's Calcu-Total
Inspired by 1974
Magick (Issue 117)
582
Mark Weston The Calculator Business message writing with a calculator and multiplication curriosities
 		Aug. 1975
Pabular (Vol. 1 No. 12)
140
Al Mann Thinking Machines - Part Two more on calculators and addition machines
 		Jan. 1975
The Pallbearers Review Vol. 9-10 (Vol. 10 No. 3)
838
Al Mann Alpha And Omega several spectators call out three-digit-numbers, total predicted, using calculator
 		Jan. 1975
The Pallbearers Review Vol. 9-10 (Vol. 10 No. 3)
838
Al Mann The Phantom Digits number multiplied with two other known numbers, total named, performer immediately names original number
 		Jan. 1975
The Pallbearers Review Vol. 9-10 (Vol. 10 No. 3)
838
Al Mann The Five-Digit Phantom number multiplied with two other known numbers, total named, performer immediately names original number
 		Jan. 1975
The Pallbearers Review Vol. 9-10 (Vol. 10 No. 3)
840
Al Mann Thinking Machines - Part Three more on calculators and addition machines
 		Feb. 1975
The Pallbearers Review Vol. 9-10 (Vol. 10 No. 4)
862
Al Mann Psychic Calculator three chosen numbers put into three calculators, all sums divined
 		Feb. 1975
The Pallbearers Review Vol. 9-10 (Vol. 10 No. 4)
862
Al Mann Adithot Improved sixteen digits in square formation, added, sum predicted
  • The Calculator Version
Inspired by
  • "Adithot" (Swami)
 Feb. 1975
The Pallbearers Review Vol. 9-10 (Vol. 10 No. 4)
862
Karl Fulves Pocket Calculators building small calculators in pads for addition effects
 		1975
Interlocutor (Issue 2)
4
John A. Novak Last Man on Earth
Related to 1975
Magick (Issue 123)
612
Roy Walton Baker Street Re-Visted cards with words on one side and numbers on the other. One card is selected and numbers added on a calculator, when turned over the result is the selected word.
 		Dec. 1976
Pabular (Vol. 3 No. 4)
338
Karl Fulves (1) Calculuxe spectators do equation on calculator, final result predicted, transposing memory and equal buttons
 		1976
Interlocutor (Issue 11)
40
Karl Fulves Calculator Madness calculator as receiver and transmitter, putting it in a microwave
 		1978
Interlocutor (Issue 20)
75
Karl Fulves Programs watch-size programmable calculators
 		1978
Interlocutor (Issue 20)
78
Roy Miller Divine Power number is generated with calculator, it turns out to be the serial number of chosen bill from audience member, with bulldog clip on stick
 		1978
Magick (Issue 207)
1031
David Britland Calculated Mysteries prediction / force with calculator, memory button, Uri Geller anecdote
 		1978
The Talon (Issue 2)
19
Karl Fulves Luminous Calculator Prediction calculator's numbers leaves prediction impression on luminous paint, only idea
 		1979
Interlocutor (Issue 37)
146
Steve Beam Mathematical Card Trick calculator is used to find position of selection, humorous presentation
Also published here 1979
Magic — The Vanishing Art
24
Dick Zimmerman The October Man four numbers are written on a pad and added, total appears on calculator held in plastic bag
 		1980
Magick (Issue 248)
1237
Stephen Tucker Bessie result on calculator forms a name, name is found on selection
 		1980
The Talon (Issue 6)
72
Karl Fulves Calculated Capital No. 39, result turned over gives city, gag
 		1981
Self-Working Table Magic
49
Stephen Tucker Gags?? with calculator, reverse writing, coin travels audible on counter top
 		Sep. 1981
Spell-Binder (Vol. 1 No. 5)
86
Philip T. Goldstein Mathemusical number arrived at via calculator procedure (subtraction of three digits and its reverse, then cross sum), that number on a list of song is played by calculator
Also published here 1981
Magick (Issue 279)
1393
Steve Beam Mathematical Card Trick calculator is used to find position of selection, humorous presentation
Also published here 1981
Teaching an Old Deck New Tricks
4
Paul Hallas Card in Calculator duplicate
 		1982
Pabular (Vol. 7 No. 3)
1006
Philip T. Goldstein Mathemusical number arrived at via calculator procedure (subtraction of three digits and its reverse, then cross sum), that number on a list of song is played by calculator
Also published here 1982
12/12
2
David Hawkins Human Error gag with programmable calculator that fails to find card
 		Feb. 1983
Pabular (Vol. 7 No. 8)
1082
Les Johnson Micro Magic programmable pocket calculator finds card
 		1983
Pabular (Vol. 7 No. 10)
1118
Paul Brignall 50337 calculator force, name of a selected city when number is turned over
 		Sep. 1983
Spell-Binder (Vol. 3 No. 29)
558
Justin Higham Hello calculator reveals word hello, which is also found on Joker
 		Sep. 1983
Spell-Binder (Vol. 3 No. 29)
562
Sam Schwartz, Karl Fulves Tips on Slate Technique having an index on the slate or a writing pad, or programmed into a pocket calculator
 		1983
Astrology — The Hidden Force
29
Karl Fulves The Anagrammer how to present the word after the letters have been called out, using calculator upside down to reveal word from a list of eight words
Related to 1983
Astrology — The Hidden Force
49
José Carroll The Card-Culator ambitious card, card to number, stop trick, card folded to calculator
Also published here 1983
Effects and Presentations
10
Steve Beam Calculator Trick sum prediction, with calculator, automatic shut-off recall
Related to 1984
The Trapdoor — Volume One (Issue 6)
104
Karl Fulves Byte Million number chosen from programmable calculator predicted, posed as problem
 		1988
Interlocutor (Issue 48)
203
Karl Fulves Do Electrons Think? number typed into calculator and deleted is divined, posed as problem
 		1988
Interlocutor (Issue 52)
261
Chris Kenworthy The Ultimate Prompter four numbers are added on calculator and performer names words on that page in dictionary
 		Apr. 1988
Magick (Issue 404)
2017
Philip T. Goldstein Fifthought three numbers added, total predicted on calculator, then chosen digit of this total divined
Inspired by
  • "Five Thoughts Ahead" (Peter Warlock)
 1989
A Phil Goldstein Collection
69
David Altman Nth Degree using calculator, prediction of total
Related to Nov. 1990
Magick (Issue 447)
2235
José Carroll The Card-Calculator ambitious card, card to number, stop trick, card folded to calculator
Also published here 1991
52 Lovers — Volume II
47
David Himelrick Calculator Caper numbers added on calculator, total matches prediction
 		1991
MindFields
39
Steve Beam Mathematical Card Trick calculator is used to find position of selection, humorous presentation
Related toAlso published here 1993
Semi-Automatic Card Tricks
79
Max Howard Additiontal Ideas Suggested by Max Howard for Insta-Fax Card Printer, using it with "Calculation Sensation" (Bob King), Out to Lunch combination
 		1993
The Insta-Fax Card Printer
3
Karl Fulves A Mind for Figures number divination with calculator
 		1993
Easy-to-Do Magic Tricks for Children
24
Rudolf Braunmüller Taschenrechner-Zahlenforce Toxic force and applications
 		June 1993
Intermagic (Vol. 18 No. 1)
32
Rudolf Braunmüller Phantastische Phänomene forced number in calculator makes up word that fits circumstances
 		June 1993
Intermagic (Vol. 18 No. 1)
33
Rudolf Braunmüller Hellsehen per Telefon spectator reverses any card behind his back, phone number forced with calculator, that person called and he names card
 		June 1993
Intermagic (Vol. 18 No. 1)
34
Richard Busch, David Altman Perspectives TOXIC force using a calculator
Related toAlso published here
  • "M-U-M" April, 1992.
 Jan. 1993
Vibrations (Vol. 15 No. 7)
4
Mel Bennett What Happened To Eve? palindrome comes out on calculator, numbers letters correlation
Inspired by
  • "Flip Flop Number Prediction" (D. Altman, MUM, Oct. 1983)
 1994
Rigmarole (Issue 7)
84
Mel Bennett Card 37 number force for 37 with calculator
Inspired by
  • "Letter for a Stranger" (Stewart James)
 1994
Rigmarole (Issue 8)
88
Jerry Mentzer Switch Calculator calculator with cover as two-way out switching device
 		1994
Close-Up File
22
Pushbutton Magic No. 43, number on pocket calculator is Six of Hearts when turned upside down
 		1995
Self-Working Close-up Card Magic
84
Karl Fulves Number Magic No. 13, spectator uses the value of a card and another number for calculation with calculator, both numbers divined when total is seen
 		1995
Easy Magic
17
Karl Fulves Murder by Calculation No. 14, using four suspects on paper cards with phone numbers on their back and calculator, name spelled out on upside-down display
 		1995
Easy Magic
18
Alex Elmsley Tailpiece revealing a number typed into the calculator of a windows computer
 		1996
Mouse Magic
51
Karl Fulves Snake On A Tape "Unsolved Mysteries"
calculator with paper tape, it comes out straight up and has a snake printed on it, posed as a problem
 		1996
The Fine Print (Issue 4)
77
Danny Archer Par for the Course prediction of score in imaginary game of golf, how many pars used noted on sheet, prediction of golf ball
 		1996
Syzygy (Vol. 3 No. 12)
230
Karl Fulves None Is A Number
  • "Dot Com - Tricks and stunts with numbers"
row, column or diagonal on calculator layout chosen, those digits typed in and multiplied with another row, then child's age added, final number and child's age divined, credit information
 		1997
The Fine Print (Issue 5)
125
Karl Fulves Stored Time "Unsolved Mysteries"
calculator shows correct time when turned on, posed as a problem
 		1998
The Fine Print (Issue 9)
268
Karl Fulves Early Indications history of calculator tricks, automatons and tricks with electronics
 		1998
Calculator Tricks
ii
Karl Fulves The Machinery properties of calculators
 		1998
Calculator Tricks
v
Karl Fulves Instant Karma freely chosen age predicted on calculator
 		1998
Calculator Tricks
1
Karl Fulves Absent Minded entered phone number seems gone on the display of a calculator, then brought back
 		1998
Calculator Tricks
3
Karl Fulves The Eraser Code number is magically removed from memory function of calculator
 		1998
Calculator Tricks
5
Karl Fulves Electron Thoughts number chosen from number cards is magically added to number entered in calculator
 		1998
Calculator Tricks
7
Karl Fulves Cipher Vision part of spectator's phone number is recovered from calculator by rubbing a Joker on it
 		1998
Calculator Tricks
9
Karl Fulves Add Infinitum number entered by performer into calculator, spectator adds a number, result predicted
 		1998
Calculator Tricks
12
Karl Fulves Cheap Trick number entered by performer into calculator, spectator adds a number, result predicted
 		1998
Calculator Tricks
14
Karl Fulves Cheat Method number entered by performer into calculator, spectator adds a number, result predicted
 		1998
Calculator Tricks
15
Karl Fulves Behind The 8-Ball calculator answers questions with a list of possible answers coded by numbers
 		1998
Calculator Tricks
16
Karl Fulves Time Recovered - Time Lost calculation with age and number on die on a calculator, performer divines both numbers by looking at final result
 		1998
Calculator Tricks
17
Karl Fulves A Dead Machine's Tale number that is entered in calculator while it is switched off is recovered
 		1998
Calculator Tricks
19
Karl Fulves Swindler's List number forced with calculator and number cards, character reading presentation with a list of character traits
 		1998
Calculator Tricks
21
Karl Fulves Force-O-Matic forcing either 99 or 100 with calculator
 		1998
Calculator Tricks
23
Karl Fulves Guess Your Age (Part One) calculator gag
 		1998
Calculator Tricks
24
Karl Fulves Really Guess Your Age calculator returns age of spectator
 		1998
Calculator Tricks
25
Karl Fulves Guess Your Age (Part Two) spectator guesses age of person on photograph, calculator arrives at the right age with spectator's guesses, baby gag
 		1998
Calculator Tricks
26
Karl Fulves Meant For Each Other two rows of cards, calculation made with calculator arrives at two digit number, those two spots are exchanged in the rows, the rows then match
 		1998
Calculator Tricks
27
Karl Fulves Count-Down Force two spectators note card in pocket by counting down to number arrived at with calculator, secretly the same card
 		1998
Calculator Tricks
29
Karl Fulves Now Hear This number forced with calculator, prediction via object in envelope that corresponds to an ad in newspaper on that page
 		1998
Calculator Tricks
30
Karl Fulves Lock Without Keys number force with calculator, combination lock presentation
 		1998
Calculator Tricks
31
Karl Fulves King's Row number force with calculator, four-digit number used to find the Kings in row of cards on table
 		1998
Calculator Tricks
32
Karl Fulves Square Route square root pushed any number of times on calculator to force a digit, used to force a group of three cards in tabled layout, one of that is then divined, alternative presentation with horse race track prediction
 		1998
Calculator Tricks
33
Karl Fulves Short Term Memory on the memory function of calculators
 		1998
Calculator Tricks
35
Karl Fulves Speak Memory retrieving previously entered number from calculator that is no longer visible on the display
  • Second Method
  • Third Method (application with serial number of bill)
 		1998
Calculator Tricks
36
Karl Fulves Subconscious M+ chosen coin divined via calculation with its date on a calculator
 		1998
Calculator Tricks
39
Karl Fulves Agatha amount of money stolen is divined with calculator
 		1998
Calculator Tricks
41
Karl Fulves Area 51 phone number of the White House appears after spectators entered some numbers in memory of calculator
 		1998
Calculator Tricks
43
Karl Fulves Forgetful Figures several spectators add up numbers on calculators, total divined
 		1998
Calculator Tricks
45
Karl Fulves Recovered Memory month and year entered in memory of calculator by spectator, later recovered, two-memory feature
 		1998
Calculator Tricks
47
Karl Fulves Ghost Writer sum of two numbers appears on calculator, two-memory feature
 		1998
Calculator Tricks
50
Karl Fulves Little Blue "machine version of tic tac toe" using calculator
 		1998
Calculator Tricks
52
Karl Fulves Blue Streak "machine version of tic tac toe" using calculator
  • Blue Notes
 		1998
Calculator Tricks
55
Karl Fulves Trick Tac Toe using calculator, deck of cards and die
 		1998
Calculator Tricks
58
Karl Fulves Tap A Phone order of digits are changed on display of calculator
 		1998
Calculator Tricks
61
Karl Fulves Cell Phone Finesse number reverses itself on display of calculator
 		1998
Calculator Tricks
62
Karl Fulves Mirror Child three-digit number entered by spectator later comes back reversed on display of calculator
 		1998
Calculator Tricks
63
Karl Fulves Movable Money three digits entered by spectator in calculator, two of them switch places
 		1998
Calculator Tricks
65
Karl Fulves Digits At A Distance three digits chosen from packet of cards, two exchanged, same thing happens on display of calculator
 		1998
Calculator Tricks
66
Karl Fulves Digital Device four digits chosen from packet of cards, two exchanged, same thing happens on display of calculator
 		1998
Calculator Tricks
68
Karl Fulves Other Approaches changing order of digits on calculator
 		1998
Calculator Tricks
71
Karl Fulves Impromptu Reversion changing order of digits on calculator
 		1998
Calculator Tricks
73
Karl Fulves The Exemplar three-digit number chosen with packet of cards is predicted on calculator
Variations 1998
Calculator Tricks
74
Karl Fulves Four-Digit Version four-digit number chosen with packet of cards is predicted on calculator
Inspired by 1998
Calculator Tricks
76
Karl Fulves Short Cons with calculator
  • Digits From Digits
  • Ciphers Deciphered
  • 625 Bets
  • PIE In Sky
  • A Memorable Date
 		1998
Calculator Tricks
77
Karl Fulves Playing The Numbers spectator is "one off" in betting game with calculator
 		1998
Calculator Tricks
81
Karl Fulves Video Poker two poker hands chosen and entered into calculator, from total the performer divines the two hands
 		1998
Calculator Tricks
83
Karl Fulves Video Dice calculator divines thrown dice numbers
 		1998
Calculator Tricks
85
Karl Fulves Bet A Hundred making a number from 101 to 115 appear on display without touching the number keys, with variations:
  • A Hundred Numbers
  • Rapid Numbers
  • Decimal Dilemma (posed as a problem)
  • Masked Memory (posed as a problem)
  • What's Next?
  • Nuthin
Variations 1998
Calculator Tricks
87
Karl Fulves Lie To The Machine murderer chosen with five cards, calculator used to find him
 		1998
Calculator Tricks
92
Karl Fulves Digital Schemes ideas for covering the calculator and disabling further inputs
 		1998
Calculator Tricks
95
Karl Fulves Secret Addition several secret uses of the blindfold process when covering the display
 		1998
Calculator Tricks
96
Karl Fulves Cover Up cover for number key on calculator to help with "Day for any Date"
Related to 1998
Calculator Tricks
99
Karl Fulves The 9's Cover addition trick with calculator
 		1998
Calculator Tricks
100
Karl Fulves Shell Game ideas for shell cover that fits over calculator
 		1998
Calculator Tricks
102
Karl Fulves Keep Off! blocking some keys with a paper card
 		1998
Calculator Tricks
103
Karl Fulves Down Side Up on upside down numbers on calculator
 		1998
Calculator Tricks
104
Karl Fulves Shell Shock number travels from one calculator to another, posed as a problem
 		1998
Calculator Tricks
105
Karl Fulves Knock Off erasing number on display of calculator with actual eraser, posed as a problem
 		1998
Calculator Tricks
105
Karl Fulves Forced Landing spectator names number and one counts to that number on a 4x4 or 5x5 grid, forced, method with calculator
  • Notes & References (credit information)
Related to 1998
Calculator Tricks
106
Martin Gardner Calculated Swindle variation of the calculator trick with 12345679
 		1998
Calculator Tricks
110
Mel Stover Project A Picture certain number key sequence chosen by spectator on a calculator is divined
 		1998
Calculator Tricks
112
Karl Fulves None Is A Number age divined with calculator calculation
  • Background (credit information)
 		1998
Calculator Tricks
115
Karl Fulves Starring Role movie star chosen from list, matrix force and calculator used for a coincidence
  • Notes & References (credit information)
Related to 1998
Calculator Tricks
118
Karl Fulves And The Winner Is spectators choose four cards face up from group of sixteen cards, values added and number predicted, Matrix Force application
  • Notes & References (credit information)
Variations 1998
Calculator Tricks
122
Karl Fulves Topic Of Capricorn number coincidence with two calculators
 		1998
Calculator Tricks
126
Karl Fulves End Notes calculator tricks in print
 		1998
Calculator Tricks
129
Richard Osterlind, John Cornelius Total Knock Out number divination and prediction with gaffed calculator, based on John Cornelius' "Total Recall"
  • Business Seminar Presentation
  • Stage Presentation
 		1999
Dynamic Mysteries
54
The Napoleons Die schwerste Ziffer digit moves on calculator display
 		1999
Intermagic (Vol. 22 No. 4 & 5)
147
Neal Thomas Without Numbers bet that performer can change number on calculator to named number without pressing certain keys
Inspired by 2002
Latter Day Secrets (Issue 7)
243
Lewis Jones I've got your number number force with a calculator
Inspired by
  • Michael de Marco, Linking Ring, May 2001
Variations 		2002
Ahead of the Pack
242
Doug Canning, Steve Beam Double Digit Inflation using the Tent Prediction as a two-way out
Inspired by 2004
Semi-Automatic Card Tricks — Volume 5
135
Mick Ayres Calculated Risk number is formed with calculator, cards are mixed and match the total, using A Swindle of Sorts
 		2004
Semi-Automatic Card Tricks — Volume 5
138
Mel Bennett Easy As Ab⁄c calculator option for simplifying task to spectators in division tricks
Inspired by
  • Number Challenge (Royal Vale Heath, 1957)
  • "Zangbar Zackelback" (Wallace Lee, Genii, June 1958, p. 364)
  • "Zackelback's Problem" (John F. Pooley, Genii, Oct. 1958, p. 46)
Related to 		2006
Prolix (Issue 2)
109
Jack Avis Houdini's Unfinished Trick prediction with numbers, using DeMarco's pocket calculator force
Inspired by
  • Michael de Marco item in Linking Ring, May 2001
 2006
Rara Avis
79
Alan Innes Devil Lived II number 7734 forced, reads devil on calculator, devil appears on a previously blank card
Related to 2007
Miraculous Minds
34
Robert E. Neale The Soul in the Machine Do some calculation on calculator, when final result is turned over it reveals a message in English
 		2008
This Is Not a Book
275
Robert E. Neale High Noon Do some calculation on calculator, final result reveals numbers related to God's creation
 		2008
This Is Not a Book
281
Karl Fulves Eek problem of creating calculator error without dividing by zero
Related to 2009
Prolix (Issue 6)
370
Roberto Giobbi Pocket-Calculator Magic presentation for old number trick on calculator
 		2010
Secret Agenda (Issue Aug 13)
242
Karl Fulves Much Ado... zero is the unexpected result after calculation on calculator, gag prediction
 		2010
Prolix (Issue 7)
428
Mel Bennett Nothing Test numbers chosen and put in calculator, divided by numbers chosen from deck of cards, remainder given out in money, it is zero three times
 		2010
Prolix (Issue 7)
435
Karl Fulves Cubic Code three dice, number calculations, "Einstein's Theory"
Related to 2010
Prolix (Issue 7)
486
William Goodwin Pocket Calculator two number cards chosen, an amount of cards equal to their sum and product, pocket calculator appears
 		2011
Evolution
59
Karl Fulves E Squared bet about producing error on calculator
Related to 2012
Prolix (Issue 10)
649
Jorge "The Jack" Garcia One Head triple prediction with rolled up papers in glass, with mental calculator
 		2014
Lecture Notes 2014
24
Jorge "The Jack" Garcia One Head triple prediction with rolled up papers in glass, with mental calculator
 		2015
7 Mysteries of Mentalism
50
Bob Farmer Toxic forcing a number with a calculator
 		2015
7 Mysteries of Mentalism
51
Number Force with calculator or cell phone
 		2016
21
147
Áriston Predicción con Calculadora finding a card using a calculator
 		2017
Hojas Sueltas
90
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
José Carroll The Cardculator ambitious card, card to number, stop trick, card folded to calculator
Also published here 2019
52 Lovers — Through the Looking-Glass
130
Michael Weber, Tim Trono TOXCCO Force spectator adds up numbers on calculator
Inspired by
  • TOXIC Force ("Calculation Sensation", Bob King, ca. 1989)
 2022
Smart Gum
7