Ramanujan's constant...

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martin
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Ramanujan's constant...

Post by martin »

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.
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Walter
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Re: Ramanujan's constant...

Post by Walter »

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
WP 43S running on this device

HP-35, HP-45, ..., HP-50, WP 34S, WP 31S, DM16L
Thomas Okken
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Re: Ramanujan's constant...

Post by Thomas Okken »

I think he meant exp(pi*sqrt(163)), not e*pi*sqrt(163)
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Walter
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Re: Ramanujan's constant...

Post by Walter »

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 ... 8-)
DM42 SN: 00041 Beta
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HP-35, HP-45, ..., HP-50, WP 34S, WP 31S, DM16L
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H2X
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Re: Ramanujan's constant...

Post by H2X »

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
Google it? 8-)

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.
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Over_score
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Re: Ramanujan's constant...

Post by Over_score »

With WP43S:
Image
DM42 (SN 00284 & 03835), DM15L, HP41CV, HP42S, HP35s, WP34S, HP Prime
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Walter
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Re: Ramanujan's constant...

Post by Walter »

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
Google it? 8-)

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
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H2X
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Re: Ramanujan's constant...

Post by H2X »

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
Google it? 8-)

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.
I hate it when that happens. Honestly. When Google - or other superficially "intelligent" search engines give me a different result than other people, for the sake of ... personalization? Making money, more like it.

https://en.wikipedia.org/wiki/Filter_bubble

I'm perfectly capable of adapting my own query if I need to, thank you very much - Google et. al.
DM42 #40 running C43 | DM41X #50 | various HP models
The earth is flat. It just appears round because it is massive and curves spacetime.
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