leonhard euler

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leonhardeuler

çekim, elektrik ve ışık olaylarını da bulan ünlü isviçreli matematikçi

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{i} (1707-1783) Swiss mathematician

born April 15, 1707, Basel, Switz. died Sept. 18, 1783, St. Petersburg, Russia Swiss mathematician. In 1733 he succeeded Daniel Bernoulli (see Bernoulli family) at the St. Petersburg Academy of Sciences. There he developed the theory of trigonometric and logarithmic functions and advanced mathematics generally. Under the patronage of Frederick the Great, he worked at the Berlin Academy for many years (1744-66), where he developed the concept of function in mathematical analysis and discovered the imaginary logarithms of negative numbers. Throughout his life he was interested in number theory. In addition to inspiring the use of arithmetic terms in writing mathematics and physics, Euler introduced many symbols that became standard, including for summation; n for the sum of divisors of n; e for the base of the natural logarithm; a, b, and c for the sides of a triangle with A, B, and C for the opposite angles; f(x) for a function; for the ratio of the circumference to the diameter of a circle; and i for SquareRoot(-1). He is considered one of the greatest mathematicians of all time

الواصلة

Le·on·hard Eu·ler

التركية النطق

liınhärt oylır

النطق

/ˈlēənhärt ˈoilər/ /ˈliːənhɑːrt ˈɔɪlɜr/