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The Ars Magna (The Great Art, 1545) is an important Latin-language book on algebra written by Gerolamo Cardano. It was first published in 1545 under the title Artis Magnae, Sive de Regulis Algebraicis Liber Unus (Book number one about The Great Art, or The Rules of Algebra). There was a second edition in Cardano's lifetime, published in 1570.
Gerolamo Cardano (Italian: [dʒeˈrɔːlamo karˈdaːno]; also Girolamo [1] or Geronimo; [2] French: Jérôme Cardan; Latin: Hieronymus Cardanus; 24 September 1501– 21 September 1576) was an Italian polymath whose interests and proficiencies ranged through those of mathematician, physician, biologist, physicist, chemist, astrologer, astronomer, philosopher, music theorist, writer, and ...
Thus the resolution of the equation may be finished exactly as with Cardano's method, with and in place of u and . In the case of the depressed cubic, one has x 0 = 1 3 ( s 1 + s 2 ) {\displaystyle x_{0}={\tfrac {1}{3}}(s_{1}+s_{2})} and s 1 s 2 = − 3 p , {\displaystyle s_{1}s_{2}=-3p,} while in Cardano's method we have set x 0 = u + v ...
Cardano suggested drafting the text three times in order to smooth any irregularities that might indicate the hidden words. The recipient of the message must possess an identical grille. Copies of grilles are cut from an original template, but many different patterns could be made for one-to-one correspondence.
Cardano may refer to: Gerolamo Cardano (1501–1576), Italian mathematician and physician; Fazio Cardano (1444–1524), Italian jurist and mathematician, father of Gerolamo; Cardano al Campo, town in Lombardy; 11421 Cardano, minor planet; Cardano (blockchain platform) See also. Cardano's method of solving a cubic equation
The mathematical methods of probability arose in the investigations first of Gerolamo Cardano in the 1560s (not published until 100 years later), and then in the correspondence Pierre de Fermat and Blaise Pascal (1654) on such questions as the fair division of the stake in an interrupted game of chance.
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1540 – Lodovico Ferrari discovered a method to find the roots of a quartic polynomial; 1545 – Gerolamo Cardano published Cardano's method for finding the roots of a cubic polynomial; 1614 – John Napier develops method for performing calculations using logarithms; 1671 – Newton–Raphson method developed by Isaac Newton