Euler Leonhard

Eu·ler

 (oi′lər), Leonhard 1707-1783.
Swiss mathematician noted both for his work in analysis and algebra, including complex numbers and logarithms, and his introduction of much of the basic notation in mathematics.

Eu·ler

(oi′lər), Leonhard 1707-1783.
Swiss mathematician who made many contributions to numerous areas of mathematics. He was one of the first to develop the methods used in calculus, and he introduced much of the basic mathematical notation still used today.
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