Other Props

94 entries in Numbers / Number Forces / Other Props

Creators	Title	Comments & References		Year	Source	Page	Categories
	Das Geheimnis des Wörterbuches	empty billets put in hat, a page chosen in a dictionary, that page opened in another one and counted down to a word that corresponds with a number chosen from a change bag of number cards, that word is suddenly on a billet that's chosen form the hat, using force book with only two numbers to force page	Related to Das Geheimnis des Wörterbuches (1904)	May 1904	Der Zauberspiegel (Vol. 4 No. 5)	78	Paper / Appearing Writing, Photos, ... Numbers / Number Forces / Other Props Apparatus / Changing & Switching Devices Book / Book Test / Routines
Oswald Rae	The Miracle Slate	sum appears on initialed slate under individual numbers		1926	Between Ourselves	43	Slate / Flaps & Moving Parts Numbers / Number Forces / Other Props
Walter B. Gibson	Date Sense	numbers on calendar are added, matrix force	Related to Date Sense (Walter B. Gibson, 1983) Variations Crazy Calendar (Martin Gardner, 1983) Also published here Date Sense (Walter B. Gibson, 1944)	Feb. 1938	The Jinx (Issue 41)	279	Numbers / Prediction & Sum-Divination Calendar Numbers / Number Forces / Other Props
Orville Wayne Meyer	Addition Force	named digits are added up, performer fills in number that is required for force total	Also published here Addition Force (Orville Wayne Meyer, 1944)	Mar. 1939	The Jinx (Issue 54)	385	Numbers / Number Forces / Other Props
Theodore Annemann	'Number, Please'	prediction of a name in a telephone book, the Accessory as a number force with counters		1939	The Incorporated Strange Secrets	11	Mental Magic / Effects / Prediction / Miscellaneous Numbers / Number Forces / Other Props Book / Book Test / Telephone Book Test
Orville Wayne Meyer	Addition Force	named digits are added up, performer fills in number that is required for force total	Also published here Addition Force (Orville Wayne Meyer, 1939)	1944	Practical Mental Effects	76	Numbers / Number Forces / Other Props
Walter B. Gibson	Date Sense	numbers on calendar are added, matrix force	Also published here Date Sense (Walter B. Gibson, 1938)	1944	Practical Mental Effects	135	Numbers / Prediction & Sum-Divination Calendar Numbers / Number Forces / Other Props
Mel Stover	Days of Force	calendar number force	Related to Fortunes of a Wise Fool (Stephen Minch, 1974) Rainbow Matrix (Philip T. Goldstein, Walter B. Gibson, Maurice Kraitchik, 1980) Rainbow Matrix (Philip T. Goldstein, Walter B. Gibson, Maurice Kraitchik, 1982) Matrix Number Force (Thomas Alan Waters, 1982) Quintasense (Thomas Alan Waters, 1982) Wipe Out! (Stan Shultz, 1985) The Mind's Eye: The Calendar Force (Leo Boudreau, 1993) Mindway Dream (Dr. E. Raymond Carlyle, 1996) Calendar Prediction (Mel Stover, 2010) Variations Ringo-Bingo (Stephen Tucker, 1982) Rethink (Philip T. Goldstein, 1983) Threesum (Thomas Alan Waters, 1984) Four on a Date (George Kirkendall, 1996)	Feb. 1945	The Phoenix (Issue 77)	313	Calendar Numbers / Number Forces / Other Props Book / Book Test / Telephone Book Test
Tom Fitzgerald	Advertising Stunt	two lines printed on a card, one with letters one with numbers, number divined	Related to see also "The 'Q' Trick" in Hoffmann's " Modern Magic" p.560	Dec. 1945	The Phoenix (Issue 97)	394	Numbers / Number Forces / Other Props
Ronald B. Edwards	Two Quickies	transposition of two cards forcing a number with coins	Variations Small Change Prediction (Ronald B. Edwards, 1975) Also published here Die Münzen-Zahlenforce (Ronald B. Edwards, 1981)	Mar. 1953	The Phoenix (Issue 277)	1109	Coin / Effect Themes / Prediction Cards / Effect Themes / Transposition / Two Cards / Normal Numbers / Number Forces / Other Props
Walter Behm	Zahlen-Forcieren	two ways to force a four-digit number with dice with bills		1953	Hokus Pokus (Vol. 14 No. 5)	142	Dice (small) / Gaffed Dice Bill / Miscellaneous Mental Magic / Principles / Forcing Numbers / Number Forces / Dice Numbers / Number Forces / Other Props
Mel Stover	The Irrisistible Force		Variations Rainbow Matrix (Philip T. Goldstein, Walter B. Gibson, Maurice Kraitchik, 1980) Rainbow Matrix (Philip T. Goldstein, Walter B. Gibson, Maurice Kraitchik, 1982) Die Mehrzweck-Zahlenforce (Mel Stover, Rudolf Braunmüller, 1983) Threesum (Thomas Alan Waters, 1984) Force Majeur (Philip T. Goldstein, 1987) Tile Force (Doug Canning, 2015)	Jan. 1957	The New Phoenix (Issue 340)	171	Numbers / Number Forces / Other Props
Tony Corinda	Page Force	same as David Hoy's	Related to Miscall Page Force (David Hoy, 1963)	1959	Book Tests	205	Mental Magic / Principles / Forcing Numbers / Number Forces / Other Props Book / Book Test / Sleights & Principles
David Hoy	Miscall Page Force	two books	Related to Page Force (Tony Corinda, 1959) Miscall Page Force (1968) Afterthought! (Robert Schwarz, 1977)	1963	The Bold and Subtle Miracles of Dr. Faust	22	Mental Magic / Principles / Misreading & Miscalling Numbers / Number Forces / Other Props Book / Book Test / Sleights & Principles
Chan Canasta	Oops 4: Matches not for burning	Some matches placed in three equal groups on the page, moved around according to instructions, predict how many matches in the middle group		1966	Book of Oopses	10	Mental Magic / Effects / Prediction / Miscellaneous Numbers / Number Forces / Other Props
	Miscall Page Force		Related to Miscall Page Force (David Hoy, 1963)	1968	Al Koran's Professional Presentations	40	Mental Magic / Principles / Misreading & Miscalling Numbers / Number Forces / Other Props Book / Book Test / Sleights & Principles
Alan Shaxon	Newspaper Number Force	number force using page numbers of newspaper		1972 ca.	Royal Command Television Magician — Ideal Entertainment	5	Newspaper / Miscellaneous Mental Magic / Principles / Forcing Numbers / Number Forces / Other Props
Ken De Courcy	Everything is Relative	forcing 34 in a 4x4 matrix with the numbers from one to sixteen		1973	Pentertain	6	Numbers / Number Forces / Other Props
Ronald B. Edwards	Small Change Prediction	forcing 2010 with coins	Inspired by Two Quickies (Ronald B. Edwards, 1953)	Aug. 1975	The Pallbearers Review Vol. 9-10 (Vol. 10 No. 10)	1043	Coin / Effect Themes / Prediction Numbers / Number Forces / Other Props
Kabon Fujimara, Juan Tamariz	El Pez Japonés	puzzle and number divination with 8 cigarettes, fish layout	Inspired by Fish Layout Puzzle (Martin Gardner, 1974)	1975	Magia en el Bar	85	Cigarette & Cigar / Miscellaneous Numbers / Number Forces / Other Props
Gerald Kosky	Easy Magazine Test	forcing a number using stapled magazine		1975	The Magic of Gerald Kosky	169	Numbers / Number Forces / Other Props Book / Book Test / Magazine Test
Richard Webster	Hermetica	Tarot card off-beat prediction		1976	Magick (Issue 158)	789	Tarot Mental Magic / Effects / Prediction / Miscellaneous Numbers / Number Forces / Other Props
Burling Hull	Volta's Master Book Test Mystery	several two-digit numbers on paper, cut out, two pieces chosen and all digits added, first sentence on that page divined		1976	The Amazing World of Mentalism	67	Paper / Add-a-Number Pad Numbers / Number Forces / Other Props Book / Book Test / Routines
Burling Hull	An Old Word Force	double-pocket bag with numbered chips		1976	The Amazing World of Mentalism	74	Numbers / Number Forces / Other Props Apparatus / Changing & Switching Devices Book / Book Test / Sleights & Principles
Burling Hull	A Mind Reading Number Divination	number chosen, it appears spelled out on slate With a Flap Without the Flap Another "No Flap" Method		1976	The Amazing World of Mentalism	89	Numbers / Prediction & Sum-Divination Cards / Effect Themes / Number Effects / Magic Square Slate / Appearing Writing Slate / Flaps & Moving Parts Numbers / Number Forces / Other Props
Al Mann	The Locked Book	with locked book, forcing a limited choice, numbers written in a row and three are encircled	Variations Variations on a Number Force (Walter Webb, 1989)	1977	Of Words and Wizards	22	Numbers / Number Forces / Other Props Book / Book Test / Routines
C. L. Boarde	By the Numbers - Variation B	numbers written on papers are placed inside envelopes to chose a page, flapless envelope switch, range		1978	Mainly Mental Vol. 2 — Book Tests	93	Paper / Envelopes / Switching the Envelope Numbers / Number Forces / Other Props Book / Book Test / Sleights & Principles
Arthur Emerson	Force 27	different numbers on slips of paper, number is forced		1979	Magick (Issue 227)	1132	Mental Magic / Principles / Forcing Numbers / Number Forces / Other Props
Philip T. Goldstein, Walter B. Gibson, Maurice Kraitchik	Rainbow Matrix	number force with a magic square	Inspired by The Irrisistible Force (Mel Stover, 1957) Related to Days of Force (Mel Stover, 1945) By the numbers (Lewis Jones, 2002) Variations Rainbow Matrix - Weber Notes (Michael Weber, 2015)	1980	The Violet Book of Mentalism	8	Numbers / Magic Square Numbers / Number Forces / Other Props
George B. Anderson	The Pendulum and Random Numbers	number is divined with pendulum, number force		1980	The Magic Pendulum	9	Mental Magic / Effects / Divination Pendulum Numbers / Number Forces / Other Props
Stephen Minch	Mind Runes	four rune sticks with one spot on one side and two on the other, stick thrown and card at spot-sum position in Tarot deck noted, number and card predicted as well as spot configuration on rune sticks		1980	Mind Runes	1	Cards / Effect Themes / Prediction / Single Card Tarot Mental Magic / Effects / Prediction / Miscellaneous Rune Stones Paper / Envelopes / Switching with single Envelope & Two-Way Envelopes Numbers / Number Forces / Other Props
Philip T. Goldstein	Ahoy There!	book test featuring a matrix number force		Apr. 1981	Apocalypse (Vol. 4 No. 4)	474	Numbers / Number Forces / Other Props Book / Book Test / Routines
Harry Lorayne	All Aboard	book test featuring a matrix number force		Apr. 1981	Apocalypse (Vol. 4 No. 4)	475	Numbers / Number Forces / Other Props Book / Book Test / Routines
Ronald B. Edwards	Die Münzen-Zahlenforce	forcing a number with coins	Also published here Two Quickies (Ronald B. Edwards, 1953)	June 1981	Intermagic (Vol. 8 No. 2)	70	Coin / Effect Themes / Prediction Numbers / Number Forces / Other Props
Philip T. Goldstein, Walter B. Gibson, Maurice Kraitchik	Rainbow Matrix	number force with a magic square	Inspired by The Irrisistible Force (Mel Stover, 1957) Related to Days of Force (Mel Stover, 1945)	1982	shuffled lecture	4	Numbers / Magic Square Numbers / Number Forces / Other Props
Thomas Alan Waters	Wheelie	forcing a number with a roulette wheel		1982	Mind, Myth & Magick (Issue Octasm)	324	Games / Roulette Mental Magic / Principles / Forcing Numbers / Number Forces / Other Props
Alex East	Musical	song prediction	Related to Cardputer (Alex East, 1982) The musical deck (Alex East, 1982)	Dec. 1982	Spell-Binder (Vol. 2 No. 20)	380	Mental Magic / Effects / Divination by Musician Mental Magic / Effects / Prediction / Miscellaneous Numbers / Number Forces / Other Props Numbers / Principles / Hummer Addition Principle
Al Koran, Edward Victor	Koran / Victor Number Force	see Al Koran's Jackpot Coins	Related to A Match Divination (Edward Victor, 1937)	Nov. 1983	Pabular (Vol. 8 No. 2)	1177	Games / Scrabble Numbers / Number Forces / Other Props Random Object / The Trick that Fooled Einstein
Martin Breese	4929	force based on basic four numbers on a Visa card		Nov. 1983	Spell-Binder (Vol. 3 No. 31)	610	Numbers / Number Forces / Other Props
	Familiar Spirit	No. 6, forcing a postion in a dial by adding four number to the same digits scrambled		1983	Self-Working Number Magic	7	Mental Magic / Effects / Prediction / Miscellaneous Numbers / Number Forces / Other Props
Stephen Clark	The Broken Square	No. 36, square with two parts missing, still magic square, used for force		1983	Self-Working Number Magic	61	Numbers / Magic Square Numbers / Number Forces / Other Props
Walter B. Gibson	Date Sense	No. 72, numbers on calendar are added, matrix force	Related to Date Sense (Walter B. Gibson, 1938)	1983	Self-Working Number Magic	92	Numbers / Prediction & Sum-Divination Calendar Numbers / Number Forces / Other Props
Martin Gardner	Crazy Calendar	No. 73, calendar force with matrix principle	Inspired by Date Sense (Walter B. Gibson, 1938) Related to Auto Suggestion (Karl Fulves, 1983) The Force Methods (Mel Bennett, 2011)	1983	Self-Working Number Magic	94	Calendar Mental Magic / Effects / Prediction / Miscellaneous Numbers / Number Forces / Other Props
Karl Fulves	Auto Suggestion	No. 84, license plate prediction, involving number cards and state cards	Related to Crazy Calendar (Martin Gardner, 1983)	1983	Self-Working Number Magic	104	Numbers / Prediction & Sum-Divination Mental Magic / Effects / Prediction / Miscellaneous Numbers / Number Forces / Other Props
Ali Bongo	Force Wheel	wheel to force a number, with folded pieces of paper, for banknight etc.		1983	1983	4	Bill / Banknight Theme & Variations Numbers / Number Forces / Other Props
Mel Stover, Rudolf Braunmüller	Die Mehrzweck-Zahlenforce	using a grid	Inspired by The Irrisistible Force (Mel Stover, 1957)	Apr. 1983	Intermagic (Vol. 10 No. 1)	33	Numbers / Number Forces / Other Props
Thomas Alan Waters	Threesum	triple prediction on selected playing cards, with Bingo chart (Stover's "irrisistible Force")	Inspired by Days of Force (Mel Stover, 1945) The Irrisistible Force (Mel Stover, 1957) Peter Warlock's "Caught Thoughts" in "Pentagram" Vol. 10, No. 6, 1956. P. 49.	1984	Mind, Myth & Magick (Issue Mynd)	557	Cards / Principles / One Ahead Cards / Gaffed Cards & Decks / Deck / Forcing Deck Numbers / Number Forces / Other Props
Peter Duffie	Fred 23	bold number force, card named, number written on back of named selection	Related to Backlog (Peter Duffie, 2000)	1984	Close-Up to the Point	19	Cards / Effect Themes / Prediction / Fred (aka Phil, Oscar, ...) Mental Magic / Principles / Instant Stooge Numbers / Number Forces / Other Props
Stan Shultz	Wipe Out!	four by four square drawn on calendar with numbers from 1-16, four circles drawn (draw circle and erase row and column each time), Matrix Force	Related to Days of Force (Mel Stover, 1945)	May 1985	Magick (Issue 351)	1752	Numbers / Prediction & Sum-Divination Numbers / Number Forces / Other Props
Karl Fulves	Almanac Affinity	No. 79, spectator removes page of newspaper and adds all four page numbers, number used to look up word in almanac, forced, two handlings		1985	Self-Working Paper Magic	142	Newspaper / Newspaper Test Numbers / Number Forces / Other Props Book / Book Test / Routines
David Britland	Star-Gazer	horoscope chosen with counters with number on them, reading is predicted		1986	Psychomancy	35	Mental Magic / Effects / Prediction / Miscellaneous Numbers / Number Forces / Other Props Numbers / Principles / Hummer Addition Principle
Mel Stover	Calender Force			1986	Psychomancy	52	Numbers / Number Forces / Other Props
Philip T. Goldstein	Force Majeur	matrix force for any number, approach to Mel Stover's "Irresistible Force"	Inspired by The Irrisistible Force (Mel Stover, 1957)	1987	Doth	9	Numbers / Number Forces / Other Props
Rudolf Braunmüller	Zahlenquadrat-Forcen	number force with magic square 1. 2. Die Neunkarten-Force		Oct. 1987	Intermagic (Vol. 13 No. 1)	20	Numbers / Magic Square Cards / Effect Themes / Number Effects / Magic Square Numbers / Number Forces / Other Props Numbers / Number Forces / Playing Cards
Michael Weber	Q-Tip		Inspired by The Capital Q (1890)	1991	Life Savers	69	Watch / Set Time is Predicted or Changed Numbers / Number Forces / Other Props
Karl Fulves	Number Force	number from one to ten forced with typewriter		1992	Typecast	101	Typewriter Numbers / Number Forces / Other Props
Don Nielsen	Kronos	force of number five, six or seven with wrist watch procedure, newspaper test application, see note on p. 7	Related to "Step Back in Time" (Stephen Tucker, Compendium, 1984)	1993	Rigmarole (Issue 1)	4	Watch / Miscellaneous Newspaper / Newspaper Test Numbers / Number Forces / Other Props
Larry White	Penny Force	digits of date on coin added		1993	Dusheck's Mental Magic	11	Coin / Effect Themes / Mental Stuff Numbers / Number Forces / Other Props
Leo Boudreau	The Mind's Eye: The Calendar Force	calendar number force, selecting row and column by drawing numbers	Related to Days of Force (Mel Stover, 1945)	Feb. 1993	Vibrations (Vol. 15 No. 8)	10	Calendar Articles / Columns Numbers / Number Forces / Other Props
Mel Bennett	S.P.A.T.	letters associated with numbers, credit information	Inspired by Lee Sallows idea in Word Ways, Feb. 1990	1994	Verbatim (Issue 10)	133	Words & Letters / Miscellaneous Numbers / Miscellaneous Numbers / Number Forces / Other Props
Chris Hurlbert	The 68th Parallel	numbers written on paper, paper is folded and cut, total of face-up number is forced	Inspired by Kirigami (Philip T. Goldstein, 1980)	1994	Syzygy (Vol. 1 No. 7)	29	Mental Magic / Principles / Forcing Numbers / Number Forces / Other Props
Lyndon B. Wainwright	Lucky Number Divination	crossing-out with 5x5 square of numbers, some of which where decided upon by spectator, remaining sum predicted, matrix force	Inspired by "A Prediction Square" (Martin Gardner Presents, 1993)	Sep. 1994	Magic (Vol. 4 No. 1)	62	Cards / Effect Themes / Prediction / Number Prediction Numbers / Number Forces / Other Props
	Figure Fun	No. 12, matrix number force, forces 34		1995	Easy Magic	15	Numbers / Number Forces / Other Props
Francis Carlyle, ? Truzi, Burling Hull, Paul Harris	The Client Confidence Sugar Shocker	nine sugar packets are numbered on one side, double facer sugar packet is used to force a certain number	Related to Simply Mental (Jack Parker, 2007)	1996	The Art of Astonishment — Book 3 (Issue Secrets of the Astonishing Executive)	263	Numbers / Number Forces / Other Props Salt, Pepper & Sugar / Sugar Packet / Miscellaneous
Paul Harris, Milton Kort	Moms Come and Go but a Rolex is Forever	"A Revised Milt Kort Classic", 3 1/2 gag with a book page instead of cards, dial force		1996	The Art of Astonishment — Book 3 (Issue Secrets of the Astonishing Executive)	277	Book / Miscellaneous Numbers / Number Forces / Other Props
Dan Garrett	The Force of Numerology	page number chosen by adding predetermined numbers, word there predicted, any borrowed book	Inspired by Some Total (Larry Becker, 1978) Also published here Linking Ring, Oct. 1979	1996	Top 10	19	Numbers / Number Forces / Other Props Book / Book Test / Routines
George Kirkendall	Four on a Date	sheet of calendar is selected and square drawn, some numbers are chosen, total predicted, Days of Force	Inspired by Days of Force (Mel Stover, 1945) Also published here Stover's Prediction (Mel Stover, 1956) Calendar Prediction (Mel Stover, 2010)	1996	Syzygy (Vol. 2 No. 14)	150	Numbers / Prediction & Sum-Divination Calendar Numbers / Number Forces / Other Props
Dr. E. Raymond Carlyle	Mindway Dream	names of people and predictions written on cards, Stover's Days of Force as last number	Related to Days of Force (Mel Stover, 1945)	1996	Syzygy (Vol. 3 No. 6)	197	Mental Magic / Effects / Prediction / One Ahead Classic Triple Prediction Numbers / Number Forces / Other Props
Philip T. Goldstein	Paradox Redux	"Dot Com - Tricks and stunts with numbers" tapestry parity principle, credit information, 4x4 number matrix, 19 or 61	Inspired by Paradox Papers (Martin Gardner, 1971)	1998	The Fine Print (Issue 8)	247	Numbers / Prediction & Sum-Divination Numbers / Number Forces / Other Props Cards / Principles / Binary / CATO & Parity
Jack Avis	Folding Numbers	paper with numbers in a 4x4 grid is folded into small square, edges cut off, sum of one orientation predicted, parity	Inspired by Paradox Papers (Martin Gardner, 1971)	1998	Vis à Vis	86	Numbers / Prediction & Sum-Divination Cards / Effect Themes / Gags & Curiousities / Matrix Layouts & Tapestry Numbers / Number Forces / Other Props
Karl Fulves	Starring Role	movie star chosen from list, matrix force and calculator used for a coincidence Notes & References (credit information)	Related to The Magic Square (H. Adrian Smith, 1983)	1998	Calculator Tricks	118	Numbers / Magic Square Calculator Mental Magic / Effects / Coincidence Numbers / Number Forces / Other Props
Karl Fulves	10¢ Worth	page number chosen with procedure with coin change, forcing a set of possible numbers		2001	Latter Day Secrets (Issue 6)	183	Numbers / Number Forces / Other Props Book / Book Test / Magazine Test
Karl Fulves	Range Force with Date on Coins	often nine or eighteen		2001	Discoverie (Issue 6)	78	Numbers / Number Forces / Other Props
Lewis Jones	By the numbers	number force for any number with a magic square	Related to Rainbow Matrix (Philip T. Goldstein, Walter B. Gibson, Maurice Kraitchik, 1980)	2002	Ahead of the Pack	233	Numbers / Magic Square Numbers / Number Forces / Other Props
Allan Slaight	The Bard and The Bible	matrix number force used for a coincidence about a bible verse and the name Shakespeare		Jan. 2003	Genii (Vol. 66 No. 1)	78	Mental Magic / Effects / Coincidence Numbers / Number Forces / Other Props
Bob Ostin	Punchboard Prediction	board with holes in one side and numbers in other side, pierced number is predicted		2005	Bob Ostin — A Lifetime of Magical Inventions	174	Mental Magic / Effects / Prediction / Miscellaneous Numbers / Number Forces / Other Props
Karl Fulves	Urban Legends	four urban legends and their opposite on cards along with eight numbers, some cards are turned over and numbers added, force for 47 Second Method Background	Inspired by Stunumbers (Shigeo Futagawa, 1983) Related to Tri-Out (Karl Fulves, 2005)	2006	Prolix (Issue 1)	14	Numbers / Prediction & Sum-Divination Numbers / Number Forces / Other Props Numbers / Principles / Hummer Addition Principle
Don Nielsen	Page Force	forcing a number from two to nine with a newspaper, book test application		2007	Prolix (Issue 3)	149	Newspaper / Miscellaneous Numbers / Number Forces / Other Props Book / Book Test / Routines
Walter B. Gibson, Maurice Kraitchik	Matrix Force			2007	Miraculous Minds	11	Numbers / Number Forces / Other Props
Pepe Medy	Destino Fatal	stones with numbers on each side are used to form a number, list with words, chosen word is predicted		2008	El Manuscrito (Vol. 1 No. 5)	73	Mental Magic / Effects / Prediction / Miscellaneous Numbers / Number Forces / Other Props
Mel Stover	Calendar Prediction	Mel Stover's "Days of Force" with calendar	Related to Days of Force (Mel Stover, 1945) Also published here Stover's Prediction (Mel Stover, 1956) Four on a Date (George Kirkendall, 1996)	2010	Secret Agenda (Issue Oct 20)	312	Numbers / Prediction & Sum-Divination Calendar Numbers / Number Forces / Other Props
Michael Weber	Weber's Winning Idea	number-matrix force on lottery ticket	Related to Date Sense (Walter B. Gibson, 1938)	2010	Weber's Winning Idea	1	Numbers / Prediction & Sum-Divination Games / Lottery Numbers / Number Forces / Other Props
Michael Weber	References for Number-Matrix Force			2010	Weber's Winning Idea	4	Numbers / Number Forces / Other Props
Dick Christian	Mathematical and Numerical Forces	to force a page or word, various methods, 1089, calendar force		2010	The Working Mentalist's Guide to Forcing Books and Book Tests	29	Numbers / Number Forces / Only Calculation Numbers / Number Forces / Other Props Book / Book Test / Sleights & Principles
Mel Bennett	The Force Methods	number forces 1. using number cards (Magigram, Amazing Trelba) 2. "Newspaper Prediction" (Martin Gardner, Magic, August 2005, also Ibidem?) 3. 4x4 matrix 4. magic square	Related to Crazy Calendar (Martin Gardner, 1983)	2011	Xtra Credit (Issue 10)	69	Numbers / Magic Square Numbers / Number Forces / Other Props Numbers / Number Forces / Paper Cards
Alexander de Cova	Die Matrix-Force	Die 15er-Matrix Die Force der 165 Die 34er-Force Eigene Forcierzahlen Die 68er-Matrix	Also published here Matrix (Alexander de Cova, 2015)	Jan. 2014	New Avantgarde Magic (Issue 14)	6	Numbers / Number Forces / Other Props
Max Maven	Rainbow Matrix	number force with a magic square	Related to Rainbow Matrix (Philip T. Goldstein, Walter B. Gibson, Maurice Kraitchik, 1980)	2015	The Black Book of Mentalism	4	Numbers / Magic Square Numbers / Number Forces / Other Props
Michael Weber	Rainbow Matrix - Weber Notes		Inspired by Rainbow Matrix (Philip T. Goldstein, Walter B. Gibson, Maurice Kraitchik, 1980)	2015	The Black Book of Mentalism	5	Calendar Numbers / Number Forces / Other Props
Doug Canning	Tile Force	Variation on the matrix force. Number force with grid	Inspired by The Irrisistible Force (Mel Stover, 1957) Variations Mathematical Recreations by Maurice Kraitchik, 1942.	2015	Semi-Automatic Card Tricks — Volume 9	116	Numbers / Number Forces / Other Props
Steve Beam	The Talisman	Non-card version of card trick predicting how long a volunteer has left to live.	Inspired by Mortality (Steve Beam, 2000) Related to Mortality - The Second Opinion (Steve Beam, 2002)	2015	Semi-Automatic Card Tricks — Volume 9	118	Numbers / Number Forces / Other Props
Chris Wardle	Bargain Prediction	price of jacket is predicted as price tag at inner pocket, 1089 force variation with coins		Apr. 2015	Genii (Vol. 78 No. 4)	37	Numbers / Prediction & Sum-Divination Mental Magic / Effects / Prediction / Miscellaneous Numbers / Number Forces / Other Props
Alexander de Cova	Matrix	Die 15er-Matrix Die Force der 165 Die 34er-Force Die 65er-Force Eigene Forcierzahlen Die 68er-Matrix	Also published here Die Matrix-Force (Alexander de Cova, 2014)	2015	Burners — Vol. 3	198	Numbers / Number Forces / Other Props
John Gaughan	The Mysterious Crystal Clock	The Chamber of Secrets clock hand spins and stops at predetermined number	Related to Dr. Rohnstein's "The Day-Fly" (John Gaughan, 2015)	Dec. 2017	Genii (Vol. 80 No. 12)	24	Clock Numbers / Number Forces / Other Props
Adam Hudson	Sum It Up	any card named, then performer writes down a 4x4 grid of numbers of which one is determined via matrix force, named card is at that number		June 2021	Genii (Vol. 84 No. 6)	77	Cards / Effect Themes / Number Effects / Any Card at Any Number Numbers / Number Forces / Other Props Cards / Principles / Stacked Deck Stuff / Memorized / Full Deck