Pi (Ramanujan's formula) Calculator

Calculates circular constant Pi using the Ramanujan-type formula.

formula

The calculation ends when two consecutive results are the same.
The accuracy of π improves by increasing the number of digits for calculation.

In 1914, the Indian mathematician Ramanujan discovered the formula for computing Pi that converges rapidly.
In 1987, Chudnovsky brothers discovered the Ramanujan-type formula that converges more rapidly.

Ramanujan's formula for Pi
    Pi (Ramanujan's formula)
    [1-10] /21Disp-Num
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    [1]  2021/09/26 19:08   Under 20 years old / High-school/ University/ Grad student / A little /
    Purpose of use
    I really don't know but i've memorized upto 25 decimal places lol!
    [2]  2021/06/01 09:42   60 years old level or over / A teacher / A researcher / Very /
    Purpose of use
    Teaching students to use the 911EX.
    Comment/Request
    I find Ramanujan's math fascinating.
    [3]  2021/05/01 18:51   - / - / - /
    Purpose of use
    prediction
    [4]  2020/09/06 20:04   60 years old level or over / A retired person / Very /
    Purpose of use
    Studying history of Pi accuracy and methods of calculating Pi over time
    [5]  2020/07/18 17:55   Under 20 years old / High-school/ University/ Grad student / Very /
    Purpose of use
    trying to find motivation for this formula
    Comment/Request
    can anyone provide the motivation/proof of this formula
    [6]  2020/06/19 00:46   60 years old level or over / An engineer / Very /
    Purpose of use
    Curiosity, doing research on Ramanujan
    Comment/Request
    Nice place for us geeks!
    [7]  2020/05/26 19:49   40 years old level / Others / Useful /
    Purpose of use
    Curiosity, was researching Ramanujan's formula for Pi and stumbled onto this, noticed the comments and then the questionnaire, and decided to check it all out, reply, comment, and such. FYI I am currently disabled, but was ABD Comp. Lit., PLC, with a BA in Sociology, and MA in Philosophy.
    [8]  2020/01/26 14:32   Under 20 years old / High-school/ University/ Grad student / Very /
    Comment/Request
    Used for fun
    [9]  2019/11/19 17:09   Under 20 years old / A retired person / - /
    Comment/Request
    is this ramanujams calculation of pi
    [10]  2019/09/05 20:47   40 years old level / Others / Useful /
    Purpose of use
    Curiosity...

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