
 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 HinduArabic 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) 
