1. Recorde Biography of Robert Recorde (15101558) http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

2. Poster Of Recorde Robert Recorde. lived from 1510 to 1558. Recorde invented the equals symbol = which appears in his book The Whetstone of Witte (1557). Find out more at http://www-groups.dcs.st-and.ac.uk/~history/Posters2/Recorde.html

Robert Recorde lived from 1510 to 1558 Recorde invented the equals symbol '=' which appears in his book The Whetstone of Witte Find out more at http://www-history.mcs.st-andrews.ac.uk/history/ Mathematicians/Recorde.html

3. The Galileo Project This catalog is a collection of 631 detailed biographies on members of the scientific community during the 16th and 17th centuries with vital facts http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

4. The Invention Of The Equals Sign It was the invention of a Welshman named Robert Recorde, the man who first introduced algebra to England. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

5. Recorde, Robert Encyclop Dia Britannica Recorde, Robert physician, mathematician, and author of introductory mathematics textbooks. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

6. BBC - De Orllewin - Adloniant Robert Recorde Meddyg a awgrymodd y defnydd o hafaliaid mewn mathemateg. Pwy sydd ar goll? http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

7. BBC - South West Wales - Hall Of Fame Local legends and famous faces from South West Wales http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

8. IcWales - Who Was Robert Recorde? LITTLE is known of Recorde's early years in Tenby, the Pembrokeshire town where he was born in 1510 to parents thought to be of local and http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

9. Robert Recorde Biography / Profile Of Robert Recorde Biographies Robert Recorde Biography profile biographies life history http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

10. RECORDE, ROBERT (c. 1510-1558) - Online Information Article About RECORDE, ROBERT (c. 15101558) - Online Information article about RECORDE, ROBERT (c. 1510-1558) http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

11. Robert Recorde - Wikipedia, The Free Encyclopedia Recorde published several works upon mathematical subjects, chiefly in the a word to describe a number to the eighth power coined by Robert Recorde. http://en.wikipedia.org/wiki/Robert_Recorde

Wikimedia needs your help in the final days of its fund drive. See our fundraising page The Red Cross and other charities also need your help. Robert Recorde From Wikipedia, the free encyclopedia. Robert Recorde (c. ) was a Welsh physician and mathematician . He introduced the "equals" sign (=) in A member of a respectable family of Tenby, Wales , he entered the University of Oxford in about 1525, and was elected a fellow of All Souls' College in . Having adopted medicine as a profession, he went to the University of Cambridge to take the degree of M.D. in 1545. He afterwards returned to Oxford, where he publicly taught mathematics, as he had done prior to going to Cambridge. It appears that he afterwards went to London , and acted as physician to King Edward VI and to Queen Mary , to whom some of his books are dedicated. He was also controller of the Royal Mint . After being sued for defamation by a political enemy, he was arrested for debt and died in the King's Bench prison, Southwark , in 1558. Recorde published several works upon mathematical subjects, chiefly in the form of dialogue between master and scholar, such as the following: The Grounde of Artes, teachings the Worke and Practise, of Arithmeticke, both in whole numbers and fractions

12. Biografia De Recorde, Robert Reportajes. Los protagonistas de la actualidad. Recorde, Robert (Tenby, c. 1510 Londres, 1558) Matem tico ingl s. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

13. Robert Recorde / 100 Welsh Heroes / 100 Arwyr Cymru Noe 2 thynges can be moare equalle”, wrote Robert Recorde as he introduced theidea of placing two hyphens in parallel to symbolise the balance of an http://www.100welshheroes.com/en/biography/robertrecorde

Home A-Z Listings Categories The Book ... Cymraeg 87. Robert Recorde Thinkers (57 votes) Inventor of the equals sign and the “father of British mathematics”. "Noe 2 thynges can be moare equalle”, wrote Robert Recorde as he introduced the idea of placing two hyphens in parallel to symbolise the balance of an equation. His equals sign was an invention that, while slow in becoming universally adopted, is still perhaps the most fundamental thing ever invented by a person from Wales. Little is known of Recorde’s early years in Tenby, the Pembrokeshire town where he was born to parents thought to be of local and Montgomeryshire stock. Clearly something of a prodigy, he entered Oxford University at the age of 15 and was elected a Fellow of All Souls six years later. Under the Tudor monarchs, talented Welshman could attain positions of prominence previously denied to them. Recorde took his opportunities with both hands, becoming an ally of the Lord Protector Edward Seymour who made him controller of the mint at Bristol. After Seymour’s fall from power Recorde was appointed to oversee the king’s mines in Ireland, a thankless position that would return to haunt him in later years. He also foolishly made an enemy of the powerful Earl of Pembroke in another move that stored up trouble for the future.

14. Robert Recorde / 100 Welsh Heroes / 100 Arwyr Cymru Dyna ysgrifennodd Robert Recorde wrth gyflwyno r syniad o ddefnyddio dau gysylltnod,un ar ben y llall, i gyfleu cydbwysedd hafaliad. http://www.100welshheroes.com/cy/bywgraffiad/robertrecorde

Hafan Rhestr A-Z Y Llyfr Erthyglau ... English 87. Robert Recorde Meddylwyr (57 o bleidleisiau) Dyfeisiwr yr hafalnod a "thad mathemateg Prydain". "Noe 2 thynges can be moare equalle". Dyna ysgrifennodd Robert Recorde wrth gyflwyno"r syniad o ddefnyddio dau gysylltnod, un ar ben y llall, i gyfleu cydbwysedd hafaliad. Er ei bod wedi cymryd cryn amser cyn i"r hafalnod gael ei ddefnyddio"n gyffredinol, go brin fod yna unrhyw ddyfais arall gan Gymro wedi cael ei ddefnyddio"n amlach. Mae"r wybodaeth am ddyddiau cynnar Recorde yn Ninbych y Pysgod yn ddigon prin - ond yn y dref honno yn Sir Benfro y cafodd ei eni i rieni y credir bod eu gwreiddiau yn lleol ac yn Sir Drefaldwyn. Mae"n rhaid ei fod yn blentyn rhyfeddol gan iddo fynd i Brifysgol Rhydychen yn 15 oed, a chael ei ethol yn Gymrawd yn All Souls chwe blynedd yn ddiweddarach. Yng nghyfnod y Tuduriaid, cafodd nifer o Gymry talentog swyddi amlwg nad oedd ar gael iddynt cyn hynny. Manteisiodd Recorde i"r eithaf ar y cyfle wrth ymgyfeillachu â"r Arglwydd Amddiffynnydd, Edward Seymour â"i penododd yn rheolwr y bathdy ym Mryste. Yn dilyn cwymp Seymour, fe gafodd Recorde ei benodi i oruchwylio mwyngloddiau"r brenin yn Iwerddon - swydd ddiddiolch a fyddai"n profi"n hunllef iddo yn y dyfodol. Roedd yn ddigon gwirion hefyd i wneud gelyn o"r Iarll Penfro pwerus - penderfyniad a fyddai"n achosi cryn drafferth iddo cyn diwedd.

15. Robert Recorde Robert Recorde was one of the most eminent mathematicians and teachers in Englandduring the middle of the sixteenth century, who wrote books on arithmetic, http://math.dartmouth.edu/~matc/Readers/renaissance.astro/3.0.Recorde.html

Introduction Nicholas Copernicus De Revolutionibus John Dee ... The Mathematicall Praeface Robert Recorde The Castle of Knowledge Marcellus Palingenius Stellatus The Zodiake of Life Thomas Digges ... Bibliography Robert Recorde (c. 1510-1558) Robert Recorde was one of the most eminent mathematicians and teachers in England during the middle of the sixteenth century, who wrote books on arithmetic, geometry, and astronomy, all in English. Castle ofKnowledge (1556), is a comprehensive textbook on astronomy, written in the form of a dialogue between the Master and his young Scholar. The book is meant to train its reader in traditional astronomy, but Recorde is already familiar with the Copernican theory, which must have become a topic of much interest to astronomers and mathematicians, as this excerpt indicates. Last updated 1 September 1999

16. Recorde Robert Recorde was born in Tenby, Wales in 1510. Unfortunately there is littleknown account of his childhood years. As a young adult he studied first at http://www.math.wichita.edu/history/men/recorde.html

Robert Recorde Robert Recorde was born in Tenby, Wales in 1510. Unfortunately there is little known account of his childhood years. As a young adult he studied first at Oxford, then at Cambridge where he graduated in medicine. Sometime later he served as physician to King Edward VI and Queen Mary. He then served some time in Ireland as Comptroller of Mines and Monies'. Although he began in medicine, mathematics is the area that has brought about his name in history. Recorde wrote many textbooks including; The Grounde of Artes (1540) which is one of the earliest known mathematical works published in English. In it he first used the symbols (+) and (-). It was perhaps the most important arithmetic textbook written in English in the 16th century. His other books of note include, The Castle of Knowledge (1551), an astronomical work discussing the theories of Copernicus; The Pathwaie to Knowledge (1551), considered by many as just an abridgement of Euclid's elements; and The Whetstone of Witte (1557), an algebraic book in which Recorde is credited for developing the (=) equal sign. He used two, long, parallel lines because he said, "noe 2 thynges can be moare equalle." An interesting side note is that Recorde wrote all of his books except for The Pathwaie to Knowledge in the form of a dialogue between a master and a scholar. Recorde died in the King's Bench Prison in 1558, where he was committed for debt. It is believed, although not proven, that Recorde may have also been imprisoned for serious complaints brought against him during his job as Comptroller of the Mines in Ireland in 1551-1553.

17. Robert Recorde - Welshpedia Robert Recorde (c. 1510 – 1558) was a Welsh physician and mathematician.He introduced the equals sign (=). A member of a respectable family of Tenby, http://www.welshpedia.co.uk/wiki/wales/index.php/Robert_Recorde

Robert Recorde From Welshpedia Robert Recorde (c. 1510 – 1558) was a Welsh physician and mathematician. He introduced the "equals" sign (=). A member of a respectable family of Tenby , Wales, he entered the University of Oxford in about 1525, and was elected a fellow of All Souls' College in 1531. Having adopted medicine as a profession, he went to the University of Cambridge to take the degree of M.D. in 1545. He afterwards returned to Oxford, where he publicly taught mathematics, as he had done prior to going to Cambridge. It appears that he afterwards went to London, and acted as physician to King Edward VI and to Queen Mary, to whom some of his books are dedicated. He was arrested for debt and died in the King's Bench prison, Southwark, in 1558. Recorde published several works upon mathematical subjects, chiefly in the form of dialogue between master and scholar, such as the following: The Grounde of Artes, teachings the Worke and Practise, of Arithmeticke, both in whole numbers and fractions (1540) The Pathway to Knowledge, containing the First Principles of Geometry ... bothe for the use of Instrumentes Geometricall and Astronomicall, and also for Projection of Plattes (London, 1551)

18. Robert Recorde Robert Recorde was born c1510 in Tenby, Pembrokeshire. The Robert RecordeMemorial is a large plaque, commissioned by the Department of Computer Science http://www.swan.ac.uk/compsci/dept/recorde/

University Home Department Home Research Department ... Courses Robert Recorde (c1510-1558) Biography Memorial Room Biography Recorde was an able teacher, an author of important books, and one of the outstanding scholars of 16th Century Europe. Among his books that are of special interest for the computational tradition he founded are: The Ground of Artes This is an influential book on arithmetic in the English vernacular (rather than Latin) that explains both the “new” decimal arithmetic and the “ancient” abacus arithmetic The Pathway to Knowledge A version of the first four books of Euclid with an emphasis on algorithmic constructions. The Whetstone of Witte This work is famous for the explicit invention of the equality sign thus making an account of algebra that was completely symbolic. Accounts of Recorde’s work are contained in most histories of mathematics. Some useful references are: "Robert Recorde", in Charles C Gillispie (ed), Dictionary of Scientific Biography, Volume 11, 338-339. Charles Scribner's Sons. 1981. Howell A Lloyd, " 'Famous in the Field of Number and Measure' : Robert Recorde, Renaissance Mathematician"

19. Wiskundigen - Recorde Robert Recorde (1510 1558) was een Brits geleerde en arts, Het is onzekerof Robert Recorde daar ook echt les gaf, maar waarschijnlijk is dat wel. http://www.wiskundeweb.nl/Wiskundegeschiedenis/Wiskundigen/Recorde.html

Recorde Robert Recorde (1510 - 1558) was een Brits geleerde en arts, die veel van zijn vrije tijd gebruikte om leerboeken te schrijven in het Engels (en niet in het Latijn, de wetenschappelijke taal van die tijd) over wiskunde en astronomie. Hij beoogde een totale leergang te schrijven die voor iedereen die dat wilde toegankelijk was. Recorde was in feite de stichter van een Engelse wiskundige traditie en de eerste die de algebra introduceerde in Engeland. Ook was hij de uitvinder van het is-gelijk-teken '='. Met dat werk startte hij al voordat hij in 1545 zijn graad in de medicijnen haalde in Cambridge en naar Londen verhuisde om een artsenpraktijk op te zetten. Links naar anderstalige sites: De tijd van Recorde Recorde leefde in een tijd waarin de wetenschappelijke ontwikkeling zich verplaatste naar West-Europa. De handelssteden daar hadden rekenmeesters en wiskundigen nodig, eerst vooral op het gebied van het handelsrekenen en renteberekeningen, maar al snel op breder terrein. Bovendien ontstond er een bewustzijn voor de eigen taal en cultuur. Veel klassieke werken waren alleen in het Grieks en Latijn beschikbaar en werden nu vertaald in plaatselijke talen. Recorde was zo'n schrijver van leerteksten op het gebied van de wiskunde. Henry VIII (Blauwbaard) stierf op 28 januari 1547. Zijn tienjarige zoon Edward VI (bij zijn derde vrouw Jane Seymour) volgde hem op. De hertog van Somerset, Edward Seymour, werd regent met de titel 'protector' en regeerde in feite het land namens de koning. In 1549 echter werd hij verdreven door John Dudley, de graaf van Warwick en werd sir William Herbert gouverneur van Edward VI. Recorde was in die tijd de controleur van de munt in Bristol waar het geld werd geslagen. Herbert had geld nodig voor zijn leger dat enkele opstanden (in Devon en Cornwall) tegen het regiem van Edward VI moest onderdrukken. Toen Recorde hem niet zonder rechtstreeks bevel van de koning geld wilde doorsluizen, raakten beide in conflict. Recorde werd ontslagen.

20. Recorde Biography of robert recorde (15101558) robert recorde s parents were Thomasrecorde and Rose Jones. Thomas recorde s father was from Wales and Rose http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Recorde.html

Robert Recorde Born: 1510 in Tenby, Wales Died: 1558 in London, England Click the picture above to see a larger version Show birthplace location Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Version for printing Robert Recorde 's parents were Thomas Recorde and Rose Jones. Thomas Recorde's father was from Wales and Rose Jones was the daughter of Thomas Jones from Machynlleth in Montgomeryshire. Robert was the second son of Thomas and Rose and, although the date is not definitely known, it is thought that he entered the University of Oxford in about 1525. Again we do not know the topics he studied but we do know that he graduated with a B.A. in 1531 and was elected a Fellow of All Souls College, Oxford in that year. All Souls was a graduate College at this time endowed for the study of Church music. It trained men in theology, law and medicine. Certainly we know that he studied medicine at Oxford and was a highly educated man. In later life he was interested in history, collecting British antiquities and manuscripts, and he was an expert in the Anglo-Saxon language. It is reasonable to suppose that he gained his love of antiquities at All Souls College for John Leyland, who was in 1531 chaplain and librarian to King Henry VIII employed by the King for his expertise in antiquities and manuscripts, had studies at All Souls at the same time as, or slightly before, Recorde. It is likely that following his election to a fellowship in 1531 Recorde taught at Oxford for a few years but there are no records to prove this. The next that we know for certain is that he went to Cambridge and studied there for his M.D. There is a record at Cambridge which states that Recorde received a license in medicine in Oxford twelve years earlier and this almost certainly means that Recorde received the degree of B.M. from Oxford although again no record of this has been found. He graduated from Cambridge in 1545, receiving the degree of M.D. He may have taught at Cambridge following the award of his degree but all we know for certain is that some time during two years following 1545 he moved to London where he practiced medicine.

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