The 2015 Forbes list of the 100 Most Powerful Women in the World shows a new entry: Federica
The Middle Ages were generally a dark time for most cultural endeavors, but especially for mathematics.
Rodrigo de Borja was born in Xàtiva, near Valencia, in Spain on January 1, 1431.
Born on April 18 1480, Lucrezia Borgia was the daugher of
Many readers of the best selling – yet not so magisterially written!