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Pi is one of the letters of the Greek alphabet, and it does look something like II, but not exactly. The top line is continuous. TT is much closer than II.

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Q: Why do you use the symbol II to represent PI?
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Related questions

What do we use the pi symbol to represent a number?

Because pi is an irrational number that has an infinite amount of digits


What is the relationship between the symbol II and the word pi?

The similarity in appearance between the symbol pi and the Roman numeral II is entirely coincidental.


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Archimedes


What is the symoble for pi?

I don't know how to represent the symbol here on WikiAnswers, but you can see it here: http://en.wikipedia.org/wiki/Pi


Which ratio is called pi?

"Pi" is the symbol almost always used to represent the ratioof the circumference of any circle to its diameter.


Which Swiss Mathematician instituted the use of the symbol pi?

Leonhard Euler used the symbol pi in 1737.


What does the symbol for pi represent in greek?

The symbol for pi (π), is the Greek letter that is the equivalent to the Roman p. It is the Greek letter pi. It is the first letter of the Greek word περίμετρος (perimetros) from which our word perimeter comes.


How did Ferinand Von Lindemann use Pi?

He was responsible for instituting the use of the symbol pi.


Do you always use pi in circumference?

Yes, if you're calculating circumference from radius or diameter. Pi is the symbol used to represent the ratio of circumference to diameter of any circle: pi = c/d This can also be written as c = pi*d. And has been noted, pi is approximately 3.14


Who is the person who instituted the use of the symbol for pi in mathematical notation?

Mathematician Rudolph Swetchefriz{Added} The symbol is not "for" pi but is pi - one of the letters of the Greek alphabet.


Who was first to use the pi symbol?

the first person to use pi was the amazing thomas paul pearson


At is a pi symble in math terms?

pi is a symbol that we all use and it looks something like this....