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Contributions of Leonhard Euler to mathematics
The 18th-century Swiss mathematician Leonhard Euler (&#;) is among the most prolific and successful mathematicians in the history of the field.
His seminal work had a profound impact in numerous areas of mathematics and he is widely credited for introducing and popularizing modern notation and terminology.
Mathematical notation
Euler introduced much of the mathematical notation in use today, such as the notation f(x) to describe a function and the modern notation for the trigonometric functions.
He was the first to use the letter e for the base of the natural logarithm, now also known as Euler's number. The use of the Greek letter to denote the ratio of a circle's circumference to its diameter was also popularized by Euler (although it did not originate with him).[1] He is also credited for inventing the notation i to denote .[2]
Complex analysis
Euler made important contributions to complex