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Immanuel Bonfils
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<h2 id="works">Works</h2> <ul><li>Bonfils, Immanuel (1365), <i>The Wings of Eagles</i>, <a href="/facts/Hebrew_language/hqKCSy9d">Hebrew</a>: שש כנפים, in six books. Other name: <i>Book of Six Wings</i>, <a href="/facts/Hebrew_language/hqKCSy9d">Hebrew</a>: שש כנפים. The main astronomical work of Bonfils.</li> <li>Bonfils, Immanuel (c. 1350), <i>The Invention of the Decimal Fractions and the Application of the Exponential Calculus by Immanuel Bonfils of Tarascon</i><a class="footnote-ref" id="fnref:16" href="#fn:16"><sup>16</sup></a></li> <li>Bonfils, Immanuel (c. 1350), <i>Method of Division by Rabbi Immanuel and Other Topics</i>, <a href="/facts/Hebrew_language/hqKCSy9d">Hebrew</a>: דרך חילוק, a course of decimal arithmetics, including decimal fractions.</li></ul> <ul><li>Gandz, S.: "The invention of the decimal fractions and the application of the exponential calculus by Immanuel Bonfils of Tarascon (c. 1350)", <i><a href="/facts/Isis_(journal)/vqatJzvj">Isis</a></i> 25 (1936), 16–45.</li> <li>P. Solon: <i>The Six Wings of J. Bonfils and Michael Chrysokokkes</i>, in: Centaurus, 15 (1970) 1–20</li></ul> <h2 id="external-links">External links</h2> <ul><li><a href="http://www.jewishencyclopedia.com/articles/3530-bonfils-immanuel-ben-jacob">BONFILS, IMMANUEL BEN JACOB</a> in Jewish Encyclopedia.</li> <li><a href="http://sceti.library.upenn.edu/sceti/ljs/PageLevel/view.cfm?option=view&ManID=ljs204">Six Wings.</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Vucinich, Alexander (1963). Science in Russian Culture, A History to 1860. Stanford, CA: Stanford University Press <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"Bonfils, Emmanuel Ben Jacob". JewishEncyclopedia.com. Retrieved 2015-02-20. <a href="http://www.jewishencyclopedia.com/articles/3530-bonfils-immanuel-ben-jacob" target="_blank">http://www.jewishencyclopedia.com/articles/3530-bonfils-immanuel-ben-jacob</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Dimont, Max I. (2004). Jews, God, and History. Signet Classics <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Shatzmiller, Joseph (2013). Cultural Exchange; Jews, Christians, and Art in the Medieval Marketplace. Princeton, NJ: Princeton University Press <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Blech, Benjamin (2004). The Complete Idiot's Guide to Jewish History and Culture. Indianapolis, IN: Alpha Books <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"Bonfils, Emmanuel Ben Jacob". JewishEncyclopedia.com. Retrieved 2015-02-20. <a href="http://www.jewishencyclopedia.com/articles/3530-bonfils-immanuel-ben-jacob" target="_blank">http://www.jewishencyclopedia.com/articles/3530-bonfils-immanuel-ben-jacob</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>Suzuki, Jeff (2009). Mathematics in Historical Context. Washington, DC: The Mathematical Association of America <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>Ben-Menahem, Ari (2009). Historical Encyclopedia of Natural and Mathematical Sciences. Springer Verlag <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>Vucinich, Alexander (1963). Science in Russian Culture, A History to 1860. Stanford, CA: Stanford University Press <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> <li id="fn:10"><p>Solon, Peter (1971). "The Six Wings of Immanuel Bonfils and Michael Chrysokokkes". Centaurus. 15: 1–20. Bibcode:1971Cent...15....1S. doi:10.1111/j.1600-0498.1971.tb00147.x. <a href="/wiki/Bibcode_(identifier)" target="_blank">/wiki/Bibcode_(identifier)</a> <a href="#fnref:10" class="footnote-back-ref">↩</a></p></li> <li id="fn:11"><p>Suzuki, Jeff (2009). Mathematics in Historical Context. Washington, DC: The Mathematical Association of America <a href="#fnref:11" class="footnote-back-ref">↩</a></p></li> <li id="fn:12"><p>Vucinich, Alexander (1963). Science in Russian Culture, A History to 1860. Stanford, CA: Stanford University Press <a href="#fnref:12" class="footnote-back-ref">↩</a></p></li> <li id="fn:13"><p>Blech, Benjamin (2004). The Complete Idiot's Guide to Jewish History and Culture. Indianapolis, IN: Alpha Books <a href="#fnref:13" class="footnote-back-ref">↩</a></p></li> <li id="fn:14"><p>Vucinich, Alexander (1963). Science in Russian Culture, A History to 1860. Stanford, CA: Stanford University Press <a href="#fnref:14" class="footnote-back-ref">↩</a></p></li> <li id="fn:15"><p>"Bonfils, Emmanuel Ben Jacob". JewishEncyclopedia.com. Retrieved 2015-02-20. <a href="http://www.jewishencyclopedia.com/articles/3530-bonfils-immanuel-ben-jacob" target="_blank">http://www.jewishencyclopedia.com/articles/3530-bonfils-immanuel-ben-jacob</a> <a href="#fnref:15" class="footnote-back-ref">↩</a></p></li> <li id="fn:16"><p>Ragep, F. Jamil and Sally P. Ragep (1996). Tradition, Transmission, Transformation. Netherlands: Brill Academic Pub <a href="#fnref:16" class="footnote-back-ref">↩</a></p></li> </ol>