42  3835 
On Jun 2, 6:29 pm, Keith Thompson <ks...@mib.orgw rote:
vipps...@gmail. com writes:
On May 28, 8:17 am, "Dann Corbit" <dcor...@connx. comwrote:
"pete" <pfil...@mindsp ring.comwrote in message
news:e7******* *************** ********@earthl ink.com...
aark...@gmail.c om wrote:
see:-http://mathforum.org/library/drmath/view/54456.html
This works for me:
#include <float.h>
/*
** pi == (atan(1.0 / 3) + atan(1.0 / 2)) * 4
*/
Don't you mean pi == (atan(1.0 / 3) + atan(1.0 / 2)) * 4?
Your "correction " was exactly the same as what pete wrote.
Indeed, I apologize. I was tired at the time.
user923005 <dc*****@connx. comwrote:
On Jun 2, 1:51=A0am, James Dow Allen <jdallen2...@ya hoo.comwrote:
[snip]
While Googling for pi =3D 3, I also found that
this approximation is dictated by the Bible
in Chronicles II: 4:2-5.
From:
http://mathworld.wolfram.com/Pi.html
"The Bible contains two references (I Kings 7:23 and Chronicles 4:2)
which give a value of 3 for pi (Wells 1986, p. 48). It should be
mentioned, however, that both instances refer to a value obtained from
physical measurements and, as such, are probably well within the
bounds of experimental uncertainty."
[snip]
Oh, come on. It's much more cut and dried than that. In both cases, the
measurements are given with one single digit of precision. So all they
state is that, to within that single digit, pi is 3. Guess what? _To
within that one digit_, pi _is_ 3.
Richard
In article <48************ ****@news.xs4al l.nl>,
Richard Bos <rl*@hoekstra-uitgeverij.nlwr ote:
>Oh, come on. It's much more cut and dried than that. In both cases, the
measurements are given with one single digit of precision.
You can't the intended precision just by looking at the data. 10 and
30 cubits *might* be accurate to one significant figure. More likely,
they're intended to be accurate to the nearest cubit. The fact that
they are multiples of 10 may well have been a deliberate choice in the
actual size rather than indicating the precision of the reported
values.
-- Richard
--
In the selection of the two characters immediately succeeding the numeral 9,
consideration shall be given to their replacement by the graphics 10 and 11 to
facilitate the adoption of the code in the sterling monetary area. (X3.4-1963) This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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