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| | Pascal's Triangle - History in Europe prior to Pascal |
 | | Besides being know for the Fibonacci numbers, he is also credited with being the first European mathematician to use the Hindu-Arabic numerals we use today, which made the Roman numeral system obsolete. |
 | | Note the somewhat strange obsolete versions of the numerals 4, 5, 6 and 7, while 0, 1, 2 and 3 are easily recognizable in their modern form. |
 | | Circa 1225: Jordanus of Nemore, a German mathematician, in his manuscript de Arithmetica shows that he understands both |
| binomial.csuhayward.edu /EuropePrior.html (1315 words) |
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