Leonhard Euler
Leonhard Euler (pronounced oiler) was a famous Swiss mathematician. He made numerous contributions to many fields of mathematics and science.
Biography
Euler was born April 15, 1707 in Basel, Switzerland and died September 18, 1783 in St Petersburg, Russia.
Contributions
- In 1735, Euler showed that
where 
is the zeta function. - Euler's polyhedral formula
- Euler's totient theorem
- Euler's identity
- Eulerian graph
where 
is the See also
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