Estimable
发表于 2025-3-28 14:39:15
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EXULT
发表于 2025-3-28 22:10:02
Jacopo da Firenze‘s Tractatus Algorismi and Early Italian Abbacus Culture
下边深陷
发表于 2025-3-29 01:55:47
Book 2007ommercial mathematics, already known by Fibonacci, and probably flourishing in Provence and/or Catalonia before it reached Italy. Abbacus algebra – eventually the main inspiration for the algebraic breakthrough of the 16.th. and 17.th. centuries – was inspired from a Romance-speaking region outside