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Pi Approximation Day
07-23-2019, 03:15 PM
Post: #10
RE: Pi Approximation Day
(07-22-2019 10:49 PM)Valentin Albillo Wrote:   
...your Pi Approximation present. Smile
 

Thank you, Valentin!

Now, let’s unwrap it:

On the HP-49G, in exact mode,

'∫(0,1,X^4*(1-X)^4/(1+X^2),X)'

EVAL

—> '-((7*π-22)/7)'

→NUM

—> 1.26448927143E-3

= 22/7 - π
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Messages In This Thread
Pi Approximation Day - Gerson W. Barbosa - 07-22-2019, 03:41 AM
RE: Pi Approximation Day - ggauny@live.fr - 07-22-2019, 10:01 AM
RE: Pi Approximation Day - burkhard - 07-22-2019, 01:02 PM
RE: Pi Approximation Day - rprosperi - 07-22-2019, 01:05 PM
RE: Pi Approximation Day - Albert Chan - 08-14-2019, 10:46 PM
RE: Pi Approximation Day - Albert Chan - 08-15-2019, 03:38 AM
RE: Pi Approximation Day - Claudio L. - 07-22-2019, 07:48 PM
RE: Pi Approximation Day - Dave Shaffer - 07-23-2019, 05:07 PM
RE: Pi Approximation Day - ijabbott - 07-23-2019, 05:18 PM
RE: Pi Approximation Day - jebem - 07-24-2019, 06:03 AM
RE: Pi Approximation Day - bshoring - 07-22-2019, 09:40 PM
RE: Pi Approximation Day - Gerson W. Barbosa - 07-23-2019 03:15 PM
RE: Pi Approximation Day - BartDB - 07-23-2019, 05:31 PM
RE: Pi Approximation Day - BartDB - 07-24-2019, 10:30 AM
RE: Pi Approximation Day - ijabbott - 07-23-2019, 05:09 PM
RE: Pi Approximation Day - Erwin - 07-23-2019, 08:26 PM
RE: Pi Approximation Day - Albert Chan - 07-25-2019, 01:26 PM
RE: Pi Approximation Day - Bill Duncan - 07-26-2019, 11:02 PM
RE: Pi Approximation Day - Leviset - 08-14-2019, 09:36 PM



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