Pacioli, Luca (1445 - 1517)

An Italian mathematician and Franciscan friar who wrote the 1494 Summa de arithmetica, geometria, proportioni et proportionalita. This textbook summarized all of the known mathematics, including the first printed work on algebra, and the first published account of double-entry accounting. Pacioli also produced a Latin translation of Euclid's Elements called Geometry, De viribus quantitatis, a book on mathematics and magic, and De Divina proportione, a book on mathematics and artist proportion including the golden ratio and skeletal solids. The De virbus quantitatis is considered by many to be the foundation of modern magic and mathematical puzzles.

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Stamps

Stamp	Description
	Italy, 750l, 1994 Scott: 1978 A982