Pi is a mathematical constant, which is known under such names as, Ludolphine Number, Archimedes' constant or written down as a Greek letter "π" has been used for many years in its mathematical sense.

There are many functional and mystical things connected to this constant and some scholars even consider π to be the most intriguing number in all spheres of the mathematics.

There are various uses for Pi in modern science that is why understanding its value and history of research is incredibly important. We went ahead and tried to briefly explain the value of this constant to modern science and presented top 10 interesting facts about π.

From our interactive video presentation both kids and adults will be able to find out such facts:

- the approximations of Pi and mathematical definition of the term;

- mysterious stories connected with π (unusual crop circles);

- current and previous world records for memorizing the value of Pi;

- earliest known records of pi and scientists, who greatly contributed to its calculation;

- computers and Archimedes' constant;

- why Pi is both irrational and transcendental number;

- why the Great Pyramid at Giza seems to approximate Pi;

- when was the symbol "π" first used to represent the value of Pi;

- interesting practical examples of using the mathematical constant.

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