Leonardo of Pisa (Fibonacci) · Mathematics
The <em>Liber Abaci</em> as a working manual for merchants - currency conversion, profit and interest, barter, and the all-purpose ‘rule of three’ - and how the new arithmetic became a driving force of the medieval commercial revolution, fought over by the abacists at their counting-boards and the algorists with pen and figures.
You learned that most of the Liber Abaci is practical commercial mathematics - currency exchange, profit, interest, barter, partnership, and the ‘rule of three’ for proportions - that this arithmetic helped drive the commercial revolution, and that the ‘abacists’ (counting-board) and ‘alg…
Leads to Luca Pacioli.
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