Equations in the book are presently called diophantine equations. The problems of book i are not characteristic, being mostly simple problems used to illustrate algebraic reckoning. For example, book ii, problem 8, seeks to express a given square number as the sum of two square numbers here read more. Diophantus of alexandria, arithmetica and diophantine equations. Diophantus of alexandria had a great impact in the world of mathematics. In book 3, diophantus solves problems of finding values which make two linear expressions simultaneously into squares or cubes. Sesiano found 4 more books bringing the total to 10 books found. This work brings to the audience diophantus problems of first degree in a literal. Roughly five centuries after euclids era, he solved hundreds of algebraic equations in his great work arithmetica, and was the first person to use algebraic notation and symbolism today we usually indicate the unknown quantity in algebraic equations with the letter x. Diophantus about 200 about 284 mactutor history of mathematics. If we take a birds eye view of arithmetica 6, we see that book i consists. Greek mathematics lacked the notational devices that enable us to think quickly and easily on problems that we conceptualize through the use of algebraic symbols.
Diophantus looked at 3 different types of quadratic equations. This book features a host of problems, the most significant of which have come to be called diophantine equations. Alexandrian algebra according to diophantus mathematics. However, bombelli borrowed many of the problems for his own book algebra. As a 15 year old student in the netherlands who loves math, i was just casually going through some problems in my text book. Diophantus, often known as the father of algebra, is best known for his. Diophantus and the arithmetica spencer neff knowing, my most esteemed friend dionysius, that you are anxious to learn how to investigate problems in numbers, i have tried, beginning from the foundations on which the science is built up, to set forth to you the nature and power subsisting in numbers. The eighth problem of the second book of diophantuss arithmetica is to divide a square into a sum of two squares. Forty two problems of first degree from diophantus arithmetica the following faculty members have examined the. I thought i would give it a shot and tried solving it. In modern terms, for example, a determinate problem could be 5x 10, so x 2, and. In it he introduced algebraic manipulations on equations including a symbol for one unknown probably following other authors in alexandria.
For example, the first seven problems of the second book fit. Diophantus of alexandria arithmetica book i joseph. As i was at the end of the chapter about equations linear, quadratic and radical i saw the well known riddle about diophantus s age. The distinctive features of diophantus s problems appear in the later books. Most of the arithmetica problems lead to quadratic equations. The method for solving these equations is known as diophantine analysis. An example of this is found in problem 16, book i of the arithmetica, and it. Mathematics from diophantus to leonardo of pisa part 2. In book iii, diophantus solves problems of finding values which make two linear.
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