Medieval work sheds light on mathematics
Arizona State University acquired an aging manuscript believed to be from 1344 that may rewrite medieval mathematics history. The 162 page Algebra shows complex equations up to the 12th power, uses similar triangles, and hints at modern math origins. The author, possibly Dardi of Pisa, remains unnamed. copies exist in Vatican and Italian libraries.
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Israel issue highlights nationhood hope and ties to America
Israel releases stamps honoring the Negev Brigade memorial at Beer Sheva and the Moslem feast Eid al Fitr. A three stamp set honors American Jewish higher education institutions The Jewish Theological Seminary Hebrew Union College and Yeshiva University. Also a Mayflower envelope issued in Plymouth Massachusetts with first day cancellations and bulk mailing rate details. Deadline July 17 for ordering and mailing options.
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