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Yet another new pi approximation
01-14-2017, 10:48 PM (This post was last modified: 01-22-2017 07:14 PM by Gerson W. Barbosa.)
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RE: Yet another new pi approximation
(01-14-2017 08:27 PM)Maximilian Hohmann Wrote:  I don't know... expressing one number with infinite digits using another one? AFAIK, Euler once found a much more elegant way of linking Pi with e.

This is just an approximation starting from the fact that 163∙(π - e) ≃ 69, not an exact relationship in the realm of complex numbers like Euler's beautiful and wonderful formula. I think my correction term involving two levels of exponentiation and logarithm and the integer number 2 may have some aesthetic value, anyway beauty lies in the eyes of the beholder :-)

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Edited (22:Jan)

The following doesn't require a wider HP-50g screen to show the whole equation...

[Image: pi_approximation2_zpsyueybq2h.png]

...but it does require a 16-digit calculator to show the accuracy of approximation.


'e+(69-e^(-8/(1+1/(163*401))))/163'
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RE: Yet another new pi approximation - Gerson W. Barbosa - 01-14-2017 10:48 PM



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