Leonhard Euler
Leonhard Euler was a Swiss mathematician and physicist. Euler was an outstanding mathematician of the eighteenth century and an interesting, most prolific and greatest mathematician who did extraordinary work in his theorems and concepts. He made many discoveries in the subject, such as calculus, geometry, algebra, trigonometry and graph theory. He introduced modern terms and symbols in mathematics, such as the concept of mathematical functions, especially the modern concept of mathematical anal
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