1. Ahmed Biography of ahmed ibn yusuf (835912) ahmed ibn yusuf s father Yusuf ibnIbrahim was also a mathematician. Yusuf ibn Ibrahim lived in Baghdad but moved http://www-groups.dcs.st-and.ac.uk/~history/Mathematicians/Ahmed.html

Ahmed ibn Yusuf al-Misri Born: 835 in Baghdad (now in Iraq) Died: 912 in Cairo, Egypt Previous (Chronologically) Next Biographies Index Previous (Alphabetically) Next Main index Version for printing Ahmed ibn Yusuf 's father Yusuf ibn Ibrahim was also a mathematician. Yusuf ibn Ibrahim lived in Baghdad but moved to Damascus in about 839. After a little while he moved again, taking his son Ahmed with him, and went to live in Cairo. Although we are far from certain about the date of Ahmed's birth it is believed to have been before the family moved to Damascus. Again it is unclear exactly when the family moved again to Cairo but as Ahmed became known as "al-Misri " meaning "the Egyptian" it is likely that he lived in Cairo from a fairly young age. It is worth saying a word or two about Yusuf ibn Ibrahim, Ahmed's father, since scholars have had some difficulty in deciding which texts are due to the father, which to the son, or perhaps to joint work of the two. Yusuf ibn Ibrahim is known to have been a member of a group of scholars and this must have provided a strong intellectual environment for Ahmed. As well as a text on medicine, Yusuf is known to have written a work on astronomy and produced a collection of astronomical tables. Ahmed was to achieve an important role in Egypt and to understand this we must examine how Egypt achieved relative independence from the Abbasid Caliph. The Caliphs had strengthened their armies in the 9

2. Apronyms AHMED IBN YUSUF Angela Brett (ahmed ibn yusuf wrote on ratio and proportion, and expanded on/discussed book 5 of Euclid's 'Elements') Categories http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

3. References For Ahmed References for the biography of ahmed ibn yusuf. M Steinschneider, Yusuf benIbrahim und ahmed ibn yusuf, Bibliotheca mathematica (1888), 49117. http://www-groups.dcs.st-and.ac.uk/~history/References/Ahmed.html

References for Ahmed ibn Yusuf Version for printing Biography in Dictionary of Scientific Biography (New York 1970-1990). Articles: H L L Busard and P S van Koningsveld, Der "Liber de arcubus similibus" des Ahmed ibn Jusuf, Ann. of Sci. M Steinschneider, Yusuf ben Ibrahim und Ahmed ibn Yusuf, Bibliotheca mathematica Main index Birthplace Maps Biographies Index History Topics ... Anniversaries for the year JOC/EFR November 1999 School of Mathematics and Statistics University of St Andrews, Scotland The URL of this page is: http://www-history.mcs.st-andrews.ac.uk/References/Ahmed.html

4. Apronyms AHMED IBN YUSUF APRONYM 100% ahmed ibn yusuf ArabHatched Mathematician, Expanded Discussed Important Book. Nodoubt, Yusuf's Usual Studies Used Fractions. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

5. References For Ahmed References for the biography of ahmed ibn yusuf http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

6. Ummah.com Forum - Ahmed Ibn Fadlan ummah.com forum Main General Ahmed Ibn Fadlan User Name. Remember Me? Password Mufti Taqi Uthmani Sami Yusuf Arabic http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

7. La Storia Di Sa'id Ibn Jubair E Hajjaj Ibn Yusuf (in italiano e in inglese) La storia di Sa'id ibn Jubair e Hajjaj ibn Yusuf L'Imam Ab Hanifah, l'Imam Malik, l'Imam Ahmed ibn Hanbal ed altri http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

8. Fiqh Al Imam Key Proofs In Hanafi Fiqh (Shaykh Abdur Rahman Ibn Urdu only Books Ahmed Deedat - Ahmad Ali Fiqh al Imam Key Proofs in Hanafi Fiqh (Shaykh Abdur Rahman ibn Yusuf) http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

9. The Nur Of Allah The Darkness Of Kufr And True Contentment Only Urdu only Books Ahmed Deedat - Ahmad Ali and True Contentment Only Through His Remembrance (2 lectures on 1 audio CD) Shaykh Abdurrahman ibn http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

10. The Time Of Al-razi ahmed ibn yusuf Abu Ja'far ahmed ibn yusuf ibn Ibrahim alDaya al Misri, i.e., the Egyptian. http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

11. Abd Al-Mu'min Ibn 'Ali Britannica Concise Encyclopedia Online ahmed ibn yusuf alMisri University of St.Andrews, Scotland Biographical sketch of this mathematician known for his works on ratio and http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

12. Zeal.com - Site Profile For Ahmed Ibn Yusuf Al-Misri ahmed ibn yusuf alMisri Profile Edit value 75 http://tmsyn.wc.ask.com/r?t=an&s=hb&uid=24312681243126812&sid=343126

13. Yusuf Ibn Tashufin --  Encyclopædia Britannica ahmed ibn yusuf alMisri University of St.Andrews, Scotland Biographical sketchof this mathematician known for his works on ratio and proportion, http://www.britannica.com/eb/article-9078167

Home Browse Newsletters Store ... Subscribe Already a member? Log in Content Related to this Topic This Article's Table of Contents Yusuf ibn Tashufin Print this Table of Contents Shopping Price: USD $1495 Revised, updated, and still unrivaled. The Official Scrabble Players Dictionary (Hardcover) Price: USD $15.95 The Scrabble player's bible on sale! Save 30%. Merriam-Webster's Collegiate Dictionary Price: USD $19.95 Save big on America's best-selling dictionary. Discounted 38%! More Britannica products Yusuf ibn Tashufin  Encyclopædia Britannica Article Page 1 of 1 died 1106 Tashufin also spelled Tashfin Yusuf ibn Tashufin... (75 of 223 words) var mm = [["Jan.","January"],["Feb.","February"],["Mar.","March"],["Apr.","April"],["May","May"],["June","June"],["July","July"],["Aug.","August"],["Sept.","September"],["Oct.","October"],["Nov.","November"],["Dec.","December"]]; To cite this page: MLA style: "Yusuf ibn Tashufin."

14. The Time Of Al-razi ahmed ibn yusuf wrote a book on proportions which are of special importance, Abu Ja far ahmed ibn yusuf ibn Ibrahim alDaya al Misri, ie, the Egyptian. http://www.levity.com/alchemy/islam14.html

History of Islamic Science 3 Based on the book Introduction to the History of Science by George Sarton (provided with photos and portraits) Edited and prepared by Prof. Hamed A. Ead These pages are edited by Prof. Hamed Abdel-reheem Ead, Professor of Chemistry at the Faculty of Science -University of Cairo, Giza, Egypt and director of the Science Heritage Center E-mail: ead@frcu.eun.eg Web site: http://www.frcu.eun.eg/www/universities/html/shc/index.htm Back to Islamic Alchemy Back to reference library The Time of Al-Razi Second Half of Ninth Century The whole ninth century was essentially a Muslim century. This more clear in the second half than of the first, since all the scientific leaders were Muslims, or at any rate were working with and for Muslims and wrote in Arabic. Cultural Background Abbasid Caliph Al-Mutawakkil (847-861) continued to protect men of science, chiefly the physicians, and he encouraged the school of translators headed by Hunain ibn Ishaq. Da ud al-Zahiri founded a new school of theology, based upon a more literal interpretation of the Qur'an; however, did not survive very long. Muslim published a new collection of traditions, arranged according to legal topics, like Bukhari's, but more theoretical. The Egyptian Dhul-Nun is generally considered the founder of Sufism, that is, of Muslim mysticism.

15. Ain-Al-Yaqeen - April 22, 2005 - Article 2 Dr. Ahmed Ibn Mohammed Ibn Hamad AlSaif. Engineer ahmed ibn yusuf Al-Turki. Dr.Osama Ibn Hamza Ibn Ali Abu Ghararah. Engineer Osama Ibn Mohammed Makki Ibn http://www.ain-al-yaqeen.com/issues/20050422/feat2en.htm

April 22, 2005 ROYAL ORDER FROM THE CUSTODIAN OF THE TWO HOLY MOSQUES TO INCREASE THE NUMBER OF MEMBERS OF THE SHOURA COUNCIL TO 150. THE ROYAL DECREE ORDERS THE ESTABLISHMENT OF THE POSITION OF ASSISTANT CHAIRMAN OF THE SHOURA COUNCIL. ROYAL ORDERS TO EXTEND THE SERVICES OF A NUMBER OF PRINCES, MINISTERS AND PROFESSIONALS IN THE EXCELLENT GRADE. Royal orders were issued extending the services of those working at the rank of minister and appointments have been made in the same rank, besides extending the services of some of those working at the Excellent Grade. Another order was issued extending the membership of some eminent scholars in the Board of Senior Ulema and appointment of two full time members in the Permanent Committee of Religious Research and Fatwa, selected from the board of Senior Ulema. On the recommendation of HRH Corwn Prince Abdullah Ibn Adul Aziz, Deputy Prime Minister and Commander of the National Guard, the Custodian of the Two Holy Mosques King Fahd Ibn Abdul Aziz decreed the extension of the service of those at the rank of minister for a period of four years effective April 12, 2005. 1) Prince Abdul Rahman Ibn Abdul Aziz, Deputy Minister of Defense and Aviation.

16. Apronyms: A: Page 2 Of 5 Nodoubt, Yusuf s Usual Studies Used Fractions. Angela Brett (ahmed ibn yusufwrote on ratio and proportion, and expanded on/discussed book 5 of Euclid s http://apronyms.com/alphabetic.php?letter=A&page=2

17. Apronyms: AHMED IBN YUSUF Biography of Ibn KathirIbn Kathir listened to Hadith from ‘Isa bin AlMutim, Ahmed bin Abi-Talib The renowned historian Abu Al-Mahasin jamal Ad-Din Yusuf bin Sayf Ad-Din (Ibn http://apronyms.com/gonym.php?ap=AHMED IBN YUSUF

18. Egypt Math Web Sites 2 ahmed ibn yusuf Born 835 in Baghdad (now in Iraq) Died 912 in Cairo, Egypt.ahmed ibn yusuf wrote on ratio and proportion and it was translated into http://showcase.netins.net/web/rmozzer/Egypt.html

Egypt math web sites Serenus Born: about 300 in Antinoupolis, Egypt Died: about 360. Serenus wrote On the Section of a Cylinder and On the Section of a Cone . He also wrote a commentry on Apollonius's Conics which is lost. Ahmed ibn Yusuf Born: 835 in Baghdad (now in Iraq) Died: 912 in Cairo, Egypt. Ahmed ibn Yusuf wrote on ratio and proportion and it was translated into Latin by Gherard of Cremona. The book is largely a commentary on, and expansion of, Book 5 of Euclid's Elements . Ahmed ibn Yusuf also gave methods to solve tax problems which appear in Fibonacci's Liber Abaci . He was also quoted by Bradwardine, Jordanus and Pacioli. Abu Kamil Shuja ibn Aslam ibn Muhammad ibn Shuja Born: about 850 in (possibly) Egypt. Died: about 930. Abu Kamil Shuja is sometimes known as al'Hasib and he worked on integer solutions of equations. He also gave the solution of a fourth degree equation and of a quadratic equation with irrational coefficients. Abu Kamil's work was the basis of Fibonacci's books. He lived later than al'Khwarizmi and his biggest advance was in the use of irrational coefficients. Theon of Alexandria Born: about 335 in (possibly) Alexandria, Egypt. Died: about 395. Theon was the father of Hypatia and worked in Alexandria as a professor of mathematics and astronomy. He produced commentaries on many works such as Ptolemy's Almagest and works of Euclid. Theon was a competent but unoriginal mathematician. Theon's version of Euclid's Elements (with textual changes and some additions) was the only Greek text of the Elements known, until an earlier one was discovered in the Vatican in the late 19

19. List Of Muslims -- Facts, Info, And Encyclopedia Article (Click link for more info and facts about ahmed ibn yusuf) ahmed ibn yusuf (Clicklink for more info and facts about Abu lHasan al-Uqlidisi) Abu l-Hasan http://www.absoluteastronomy.com/encyclopedia/l/li/list_of_muslims.htm

List of Muslims [Categories: Lists of people by belief, Islam] This page is an incomplete list of prominent and famous (or infamous) people who are (A believer or follower of Islam) Muslim s - followers of (The monotheistic religion of Muslims founded in Arabia in the 7th century and based on the teachings of Muhammad as laid down in the Koran) Islam People associated with Islam Traditional Theologians and Philosophers The Prophet (Leader of Black Muslims who campaigned for independence for Black Americans (1897-1975)) Muhammad (PBUH) (Click link for more info and facts about Abu Muslim) Abu Muslim (Click link for more info and facts about Al-Dinawari) Al-Dinawari (Click link for more info and facts about Al-Farabi) Al-Farabi (Click link for more info and facts about Al-Ghazali) Al-Ghazali (Click link for more info and facts about Al-Kindi) Al-Kindi (Click link for more info and facts about Al-Tirmidhi) Al-Tirmidhi (Click link for more info and facts about Ibn Sina) Ibn Sina (Click link for more info and facts about Ibn Taymiya) Ibn Taymiya (Click link for more info and facts about Razi) Razi (Click link for more info and facts about Wasil ibn Ata) Wasil ibn Ata See also (Click link for more info and facts about early Muslim philosophy) early Muslim philosophy (Click link for more info and facts about Islamic philosophy) Islamic philosophy (Click link for more info and facts about Shia Imams) Shia Imams (main shia Theologians and Philosophers after the Prophet) See: (Click link for more info and facts about List of Shia Imams)

20. Trashëgimia Muslimane Por, pak eshte i njohur fakti se 600 vite para Brailleit muslimani nga SirijaAli ibn ahmed ibn yusuf (vdie ne vitin 1314.) i verber nga lindja zbuloi http://www.islamgjakova.net/Kuriozitetet e reja/Teksti i kurioziteteve.htm

Trashëgimia muslimane Në përgjithësi është i njohur fakti se francezi Louis Braille (1809.-1852.) zbuloi mënyrën e leximit për persona të verbër. Vetë i verbër, me maje të gishtërinjëve lexonte sistemin prej gjashtë pikave konvekse në letër të trashë. Më vonë pas vdekjes së tij zbulimin e tij filluan të përdorin të verbërit në tërë botën. Por, pak është i njohur fakti se 600 vite para Brailleit muslimani nga Sirija Ali ibn Ahmed ibn Yusuf (vdiç në vitin 1314.) i verbër nga lindja zbuloi sistemin e leximit me anë të gishtërinjëve me shkronja konvekse. Shumica e përendimorëve nuk janë të vetëdishëm se shumica e ushqimit dhe pijeve të cilat i konsumojnë çdo ditë kanë prejardhje muslimane. Këtu gjithsesi në vend të parë është kafja. Në shekullin 10. për herë të parë kafja filloi të kultivohet dhe të përgatitet në Jemen. Pirësit e parë të kafes ishin Sufitë të cilët e përdorën atë si stimulans të mbeten të zgjuar gjatë dhikrit të gjatë të natës. Nga Jemeni për në Mekke dhe Stamboll kafja erdhi nëpërmjet Haxhinjëve dhe tregëtarëve në fund të shekullit 15. Në hënë 609 formacione të cilat më së shpeshti i emërtojmë si kraterë mbajnë emrat e personalitetve të njohura, 13 prej tyre mbajnë emrat e astronomëve muslimanë nga mesjeta.

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