Ramanujan's constant...

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martin
Posts: 3
Joined: Sun Mar 01, 2020 7:10 am

Ramanujan's constant...

is eπ√163.

Interesting because it is almost an integer, and we can calculate it on the DM42. As it has 18 digits to the left of the decimal point, the DM42 is one of the few things able to calculate it.

(and yes, I blew my entry - Thomas has it correct).
Last edited by martin on Tue Nov 10, 2020 2:29 am, edited 1 time in total.
Walter
Posts: 1665
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Location: Close to FRA, Germany

Re: Ramanujan's constant...

martin wrote:
Sun Apr 19, 2020 12:52 am
is eπ√163.

Interesting because it is almost an integer...
What is almost an integer??
DM42 SN: 00041 Beta
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Thomas Okken
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Re: Ramanujan's constant...

I think he meant exp(pi*sqrt(163)), not e*pi*sqrt(163)
Walter
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Joined: Tue May 02, 2017 11:13 am
Location: Close to FRA, Germany

Re: Ramanujan's constant...

Thanks, Thomas.

@Martin: How shall I know what you meant if I can only read what you wrote?

Anyway, I calculated what Thomas suggested on the WP43S and got
262 537 412 640 768 743.999 999 999 999 247 4. Almost an integer, almost ...
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H2X
Posts: 605
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Location: Norway

Re: Ramanujan's constant...

Walter wrote:
Sun Apr 19, 2020 11:50 pm
@Martin: How shall I know what you meant if I can only read what you wrote

https://mathworld.wolfram.com/RamanujanConstant.html
DM42 #40 running C43 | DM41X #50 | various HP models
The earth is flat. It just appears round because it is massive and curves spacetime.
Over_score
Posts: 103
Joined: Fri May 05, 2017 9:37 pm
Location: France

Re: Ramanujan's constant...

With WP43S:
DM42 (SN 00284 & 03835), DM15L, HP41CV, HP42S, HP35s, WP34S, HP Prime
Walter
Posts: 1665
Joined: Tue May 02, 2017 11:13 am
Location: Close to FRA, Germany

Re: Ramanujan's constant...

H2X wrote:
Mon Apr 20, 2020 8:39 am
Walter wrote:
Sun Apr 19, 2020 11:50 pm
@Martin: How shall I know what you meant if I can only read what you wrote

https://mathworld.wolfram.com/RamanujanConstant.html
You won't find this so-called 'Ramanujan constant' in the German part of the internet for reasons mentioned in the article you linked. Actually, it should be called Hermite's constant instead ... but his marketing was inferior to Martin Gardner's.
DM42 SN: 00041 Beta
WP 43S running on this device

HP-35, HP-45, ..., HP-50, WP 34S, WP 31S, DM16L
H2X
Posts: 605
Joined: Tue Apr 25, 2017 8:00 am
Location: Norway

Re: Ramanujan's constant...

Walter wrote:
Mon Apr 20, 2020 11:19 pm
H2X wrote:
Mon Apr 20, 2020 8:39 am
Walter wrote:
Sun Apr 19, 2020 11:50 pm
@Martin: How shall I know what you meant if I can only read what you wrote