The pi*10^7 seconds stuff was a standard back-of-the-envelope
estimate at Caltech in 1964. [And likely much earlier...]
Bob
On 13-05-01 01:05 PM, Roger Hui wrote:
Très cool. https://xkcd.com/1047/ says that 75^4 is approximately the
number of seconds in a year.
y=: */ 365.2425 24 60 60
y
3.1557e7
75^4
3.16406e7
o. 1e7
3.14159e7
y %~ 75^4
1.00265
y %~ o. 1e7
0.995531
So it's not quite as good an estimate, but to say "there are approximately
π times 1e7 seconds in a year", how cool is that?
On Wed, May 1, 2013 at 7:49 AM, Raul Miller<rauldmil...@gmail.com> wrote:
This looks like fun:
http://www.johndcook.com/blog/2013/04/30/recognizing-numbers/
And perhaps interesting to implement something similar in J (perhaps
based on an enumeration of J's constant language).
--
Raul
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