By Kardi Teknomo, PhD .

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Pi ( ) is a universal constant indicate the ratio of circumference of a circle and its diameter. The value of has been estimated since Archimedes (see: Phillips, 2000 ).

Using MS excel, we can use function =PI() to represent

For example :

Accuracy

Pi as ratio

Error (computed from PI of MS Excel)

0.1

0.001

0.00001

0.0000001

Now you can download the Spreadsheet companion of this tutorial and try PI() for different accuracy

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This tutorial is copyrighted .

Preferable reference for this tutorial is

Teknomo, Kardi (2015) Continued Fraction. http://people.revoledu.com/kardi/tutorial/ContinuedFraction/index.html