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# Topic: Abacus logic

 Abacus - Wikipedia The abacus can be reset to the starting position instantly by a quick jerk along the horizontal axis to spin all the beads away from the horizontal beam at the center. In Romanesque architecture the abacus is square with the lower edge splayed off and moulded or carved, and the same was retained in France during the medieval period; but in England, in Early English work, a circular deeply moulded abacus was introduced, which in the 14th and 15th centuries was transformed into an octagonal one. The diminutive of abacus, abaciscus, is applied in architecture to the chequers or squares of a tessellated pavement. nostalgia.wikipedia.org /wiki/Abacus   (1144 words)

 Abacus - Wikipedia, the free encyclopedia Although often attributed to the Chinese, the abacus is thought to have been invented by the Babylonians around 2400 BC. The Russian abacus, the schoty or sjotty (счёты), usually has a single slanted deck, with ten beads on each wire (except one wire which has four, and acts as a separator or for fractions). The Russian abacus is still in common use today in shops and markets throughout the former Soviet Union, although it is no longer taught in most schools. en.wikipedia.org /wiki/Abacus   (1165 words)

 Learn more about Abacus in the online encyclopedia.   (Site not responding. Last check: 2007-11-04) The swanpan (算盤 or 筭盤 Pinyin: suan4 pan2) of the Chinese closely resembles the Roman abacus in its construction and use. In a sense, the abacus works as a 5-2-5-2 based number system in which carries and shiftings are similar to the decimal number system. As recently as the late 1960s, abacus arithmetic was still being taught in school, as in Hong Kong; and into the 1990s in Taiwan. www.onlineencyclopedia.org /a/ab/abacus_1.html   (937 words)

 History of logic -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-11-04) The history of (The branch of philosophy that analyzes inference) logic began in three cultures. Although exact dates are uncertain, especially in the case of India, it is possible that logic emerged in all three societies in the 4th century BC. One of these axioms was a formalized statement of the principle of (Click link for more info and facts about mathematical) mathematical (The act of bringing about something (especially at an early time)) induction. www.absoluteastronomy.com /encyclopedia/h/hi/history_of_logic.htm   (808 words)

 List of topics in logic - Wikipedia, the free encyclopedia Abacus logic -- Abduction (logic) -- Abductive validation -- Affine logic -- Affirming the antecedent --Affirming the consequent -- Antecedent -- Antinomy -- Argument form -- Aristotelian logic -- Axiom -- Axiomatic system -- Axiomatization Paraconsistent logics -- Paradox -- Pierce's law -- Plural quantification --Polish notation -- Polysyllogism --Predicate -- Principia Mathematica -- Principle of bivalence -- Proof theory -- Proposition -- Propositional calculus -- Provability logic Modern mathematical logic is at the list of mathematical logic topics page. www.wikipedia.org /wiki/List_of_topics_in_logic   (480 words)

 Abacus - Wikipedia, the free encyclopedia Roman abacus shown here in reconstruction contains seven long and seven shorter grooves, the former having up to five beads in each and the latter one. Chinese is similar to the Roman abacus in principle, though has a different construction. At the end of a calculation on a Chinese abacus, it is never the case that all five beads in the lower deck are moved up; in this case, the five beads are pushed back down and one carry bead in the top deck takes their place. bryanttang.per.sg /cs378/wk2/wk2_2.htm   (922 words)

 Abacus Russian abacus Pinyin addition square root Late Empire bi-quinary coded decimal visual impairments History of ...   (Site not responding. Last check: 2007-11-04) It was in use centuries before the adoption of the written Hindu numerals system and is still widely used by merchants and clerks in China and elsewhere. of the Chinese is similar to the Roman abacus in principle, though has a different construction.The Chinese abacus is typically around 20 cm (8 inches) tall and it comes in various widths depending on the application. The khipu of the Inkas was a system of knotted cords used to record numerical data - like advanced tally sticks - but was not used to perform calculations. en.powerwissen.com /%7C%7CSL%7C%7C1QjJtb1ctX5BCLawzo5Ow%3D%3D_Abacus.html   (1091 words)

 Abacus - Internet-Encyclopedia.com   (Site not responding. Last check: 2007-11-04) The Late Roman abacus shown here in reconstruction contains seven long and seven shorter grooves, the former having up to five beads in each and the latter one. The swanpan (算盤 or 筭盤 Pinyin: suan4 pan2) of the Chinese is similar to the Roman abacus in principle, though has a different construction. Like the Roman abacus, this device works as a bi-quinary based number system in which carries and shiftings are similar to the decimal number system. www.internet-encyclopedia.com /ie/a/ab/abacus_1.html   (1180 words)

 Abacus - China-related Topics A-D - China-Related Topics The suanpan (算盤 or 筭盤 Pinyin: su?np?n) of the ChinaChinese is similar to the Roman abacus in principle, though has a different construction. The Russian abacus, the schoty or sjotty, usually has a single slanted deck, with ten beads on each wire (except one wire which has four, and acts as a separator or for fractions). The Russian abacus is still in common use today in shops and markets throughout the Commonwealth of Independent Statesformer Soviet Union, although it is no longer taught in most schools. www.famouschinese.com /virtual/Abacus   (1121 words)

 Ln-Lz Logic programming languages are declarative languages whose basis is the relation as opposed to the function underlying functional languages - the other main category of declarative languages. The volume group is the logical analog to the hard disk as the basic unit of storage in an LVM system. The disk space of a VG can be divided into virtual partitions called logical volumes (LV), with an LV capable of spanning one or more physical volumes (with the size determined by its number of extents). stommel.tamu.edu /~baum/linuxlist/linuxlist/node30.html   (6273 words)

 php-deluxe.net - description: Abacus   (Site not responding. Last check: 2007-11-04) The '''suanpan''' (zh-stps=算盘t=算盤p=suànpán) of the China is similar to the Roman abacus in principle, though has a different construction. image:abacus_6.png The Chinese abacus is typically around 20 cm (8 inches) tall and it comes in various widths depending on the application. The Russian abacus is still in common use today in shops and markets throughout the Commonwealth+of+Independent+States, although it is no longer taught in most schools. www.php-deluxe.net /wiwimod,index.page,abacus.htm   (1084 words)

 Abacus logic - Encyclopedia, History, Geography and Biography Abacus logic - Encyclopedia, History, Geography and Biography This page was last modified 17:32, 21 Oct 2004. This encyclopedia, history, geography and biography article about Abacus logic contains research on www.arikah.net /encyclopedia/Abacus_logic   (212 words)

 Abacus logic -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-11-04) Abacus logic -- Facts, Info, and Encyclopedia article In (The branch of philosophy that analyzes inference) logic, an abacus is an instrument, often called the "logical machine", analogous to the mathematical (A calculator that performs arithmetic functions by manually sliding counters on rods or in grooves) abacus. It is based on the principle of (Click link for more info and facts about truth table) truth tables. www.absoluteastronomy.com /encyclopedia/a/ab/abacus_logic.htm   (206 words)

 Using the abacus   (Site not responding. Last check: 2007-11-04) A manual calculator introduced to Japan from China in the 1500s, the box-shaped abacus is made of beads that serve as counters, which users push back and forth along metal rods, clicking their way through addition and subtraction, long division and multiplication. In many Asian countries, the abacus is still used to teach mathematics to elementary school children. Advocates argue that the use of the abacus is one of the main reasons why children in these countries consistently rank at the top of international mathematics competitions. www.mirabilis.ca /archives/003114.html   (245 words)

 Abacus Logic Encyclopedia Article, Definition, History, Biography   (Site not responding. Last check: 2007-11-04) Looking For abacus logic - Find abacus logic and more at Lycos Search. Find abacus logic - Your relevant result is a click away! Look for abacus logic - Find abacus logic at one of the best sites the Internet has to offer! www.karr.net /encyclopedia/Abacus_logic   (360 words)

 abacus   (Site not responding. Last check: 2007-11-04) If we are only allowed one image then this is the better to use. That "modernization" makes the Japanese '''soroban''' (算盤) (apparently) more compliant to the decimal system than the Chinese Abacus. Webarchive backup: [http://web.archive.org/web/20011202050525/hawk.hama-med.ac.jp/dbk/abacus.html Mesoamerican abacus] (this site is no longer online - but the webarchive backup is; however, one of the author’s documents comparing the organization and use of the Mesoamerican abacus and the Chinese abacus is mirrored at [http://www.ee.ryerson.ca/~elf/abacus/dbk/]); see also [http://www.peterassociates.com/mayan-abacus.htm] goc.subdomain.de /abacus   (1075 words)

 Abacus   (Site not responding. Last check: 2007-11-04) The Roman abacus shown below contains seven long and seven shorter grooves, the former having up to five beads in each and the latter one. Computations are made by means of beads which would have been slid up and down the grooves to indicate the value of each column. [http://hawk.hama-med.ac.jp/dbk/abacus.html Mesoamerican abacus], (this site is no longer online; one of his documents comparing the organization and use of the mesoamerican abacus and the chinese abacus is mirrored at [http://www.ee.ryerson.ca/~elf/abacus/dbk/]) See also www.fr-jeux.com /articles/a/b/Abacus.html   (807 words)

 Abacus Logic mobile phone game for Nokia 7200 We have it available right now for you to download via wap direct to your mobile phone We add new Nokia 7200 phone games every week, be sure to check out the categories to the right as you'll find lots more Nokia 7200 mobile phone games ready to download and play. Be the first to hear about new mobile games by subscribing to our free mobile phone games newsletter. The purpose of the game is empty the board by removing two or more squares. www.myphonegames.co.uk /xq/asp.hgg/intg.89785/inth.58/qx/Nokia%207200%20mobile%20phone%20games%20abacus%20logic.htm   (243 words)

 Category:Logic Articles on this topic in other Wikimedia projects can be found at: Wikimedia Commons Category Logic For more information, see the article about Logic. See table of logic symbols for explanations of symbols used in logic. www.1bx.com /en/Category%3aLogic.htm   (180 words)

 Encyclopedia: Abacus arithmetic   (Site not responding. Last check: 2007-11-04) Updated 269 days 16 hours 8 minutes ago. Soroban Abacus Handbook (http://www.gis.net/~daveber/Abacus/Abacus.htm) A guide to addition, subtraction, multiplication and division. Webarchive backup: Mesoamerican abacus (http://web.archive.org/web/20011202050525/hawk.hama-med.ac.jp/dbk/abacus.html) (this site is no longer online - but the webarchive backup is; however, one of the author’s documents comparing the organization and use of the Mesoamerican abacus and the Chinese abacus is mirrored at [1] (http://www.ee.ryerson.ca/~elf/abacus/dbk/)); see also [2] (http://www.peterassociates.com/mayan-abacus.htm) www.nationmaster.com /encyclopedia/Abacus-arithmetic   (658 words)

 Abacus logic from LiveJournal   (Site not responding. Last check: 2007-11-04) Tarot is a symbol system and a deck of cards has no more to do with tarot than an abacus has to do with arithmetic. Willow and Dawn had jokingly supplied him with an abacus, only to be appalled when he actually put it to use. A small number of excellent essays have been written, particularly in the publication Killing King Abacus as well as essays by the Midnight Notes Collective and in a less explicit way the writings of Jacques Camatte and Fredy Perlman, related to the varied elements capital and state utilize to expand... www.ljseek.com /search/Abacus%20logic   (1416 words)

 List of topics in logic   (Site not responding. Last check: 2007-11-04) Law of excluded middle -- Law of non-contradiction -- Laws of logic -- Linear logic -- Logic -- Logic gate -- Logical assertion -- Logical biconditional -- Logical conditional --Logical conjunction -- Logical disjunction -- Logical equivalence -- Logical fallacy -- Logical language -- Logical nor -- Logical operator -- Logicism -- Logic programming Major premise -- Major term -- Mereology -- Metalogic -- Middle term -- Minor premise -- Modal logic -- Modus ponens -- Modus tollens -- Multi-valued logic Quantification -- Quantum logic -- Quod erat demonstrandum:(QED) www.worldhistory.com /wiki/L/List-of-topics-in-logic.htm   (570 words)

 LIST OF LOGIC ARTICLES   (Site not responding. Last check: 2007-11-04) There is a more complete list of logicians. =A= Abacus logic -- Abduction (logic) -- Affirming the consequent -- Antecedent -- Antinomy -- Argument form -- Aristotelian logic -- Axiom -- Axiomatic system -- Axiomatization =B= Biconditional elimination -- Biconditional introduction -- Bivalence and related laws -- Boolean algebra =P= Paraconsistent logics -- Paradox -- Polish notation -- Predicate -- Principia Mathematica -- Principle of bivalence -- Proof theory -- Proposition -- Propositional calculus www.websters-online-dictionary.org /definition/LIST+OF+LOGIC+ARTICLES   (436 words)

 Casti Hamhalter, States on projection logics of von = Neumann algebras Giuntini, Fuzzy = intuitionistic quantum logics and the operational approach to quantum = mechanics D.Mundici, The logic = of approximately finite C*-algebras www.vub.ac.be /CLEA/IQSA/castiglioncello.html   (476 words)

 Abacus Logic mobile phone game for Motorola A835 Abacus Logic mobile phone game for the Motorola A835 Abacus Logic mobile game for the Motorola A835 We have it available right now for you to download via wap direct to your mobile phone We add new Motorola A835 phone games every week, be sure to check out the categories to the right as you'll find lots more Motorola A835 mobile phone games ready to download and play. www.myphonegames.co.uk /xq/asp.hgg/intg.89785/inth.158/qx/Motorola%20A835%20mobile%20phone%20games%20abacus%20logic.htm   (243 words)

 Abacus Infotech - website design, Graphic design, web site re-design, website optimization, flash animation, graphic ... Abacus Infotech builds website designs that are professional, functional, appealing and affordable. We take care of the entire process of web site development from conceptualization to hosting and maintaining your web site. By combining world-class creative media with innovative programming functionality and sound business logic, Abacus delivers designs and presentations for abacusinfotech.net /services.html   (138 words)

 Math Homework Help Software: Easily add Scientific Graphs & Charts to word; Software which can solve your math homework. kids abacus, caltrox educational software, online math games, math games, free math help, free math worksheets, math homework help, math lesson plans math logic, games, caltrox educational software, childrens, math, kids, online, plans, lesson, help, arithmetic Help students improve their math and science studies. www.soft411.com /software/math-homework-help.html   (288 words)

 WGR Game Directory: Abacus Logic   (Site not responding. Last check: 2007-11-04) And when you remove an entire column, the columns to its right will go to the left. Visit the homepage for this game: Abacus Logic Find out what others say and give your rating and review here. www.wirelessgamereview.com /gamedir/game-4267   (125 words)

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