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Because pi is an irrational number that has an infinite amount of digits
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∙ 6y ago
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Which mathematicians first used the symbol pi and why?
Any mathematician will use the number pi (and its symbol) sooner or later - it is a number used extensively in many different areas of mathematics.
Why is a fraction of pi better then the decimal of pi?
Since pi is an irrational number it is impossible to represent the exact quantity as a decimal; you can only give and approximate value. However, if you write a fraction that includes the symbol for pi, you are giving an exact quantity.
Does pi represent a finite or infinite number?
Pi is an irrational number. As such, it has an infinite number of digits.
When was the symbol for Pi first used for Pi?
The first time the symbol Pi was first used for Pi was in ancient Greece in their numbers. The symbol "π" was number 80 in Greece.
Who started using the symbol pi to represent the ratio of circumference to diameter?
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.
What is the number that you use to find pi?
the number is that you use for pi is 3.14 the number is that you use for pi is 3.14
Which Swiss Mathematician instituted the use of the symbol pi?
Leonhard Euler used the symbol pi in 1737.
How did Ferinand Von Lindemann use Pi?
He was responsible for instituting the use of the symbol pi.
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.
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
