Google Doodle Celebrates Leonhard Euler 306th Birthday

Google Doodle Celebrated Leonhard Euler 306th Birthday. Today Google Doodle look as in geometric shape with mathematical formula calculation and graph theory. Euler made important discoveries in fields as diverse as infinitesimal calculus and graph theory. He also introduced much of the modern mathematical terminology and notation, particularly for mathematical analysis, such as the notion of a mathematical function. He is also renowned for his work in mechanics, fluid dynamics, optics, and astronomy. Euler was Born on 15 April 1707 in Basel, Switzerland and Died on 18 September 1783 at the age of 76.

Euler introduced and popularized several notational conventions through his numerous and widely circulated textbooks. Most notably, he introduced the concept of a function and was the first to write f(x) to denote the function f applied to the argument x. He also introduced the modern notation for the trigonometric functions, the letter e for the base of the natural logarithm (now also known as Euler's number), the Greek letter Σ for summations and the letter i to denote the imaginary unit. The use of the Greek letter π to denote the ratio of a circle's circumference to its diameter was also popularized by Euler

Source: Wikipedia
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