16 Oct
2011
16 Oct
'11
12:57 p.m.
On 16/10/11 1:02 AM, Fred Cisin wrote:
On 16/10/11 2:43 PM, Tony Duell wrote:
start by
undoing a lot of what they had previously been taught, such as
that PI was EXACTLY 22/7 ! (half a century ago, in elementary school, I
got into "big trouble" for telling a teacher that PI was NOT 22/7 !)
I have never understood the windespread use of that
approximation.
355/113 is more accurate and easier to remember
I never understood the popularity of that approximation. 52163?16604 is
more accurate.
--Toby
'How I need a drink, alcholic of course after the heavy lectures involving
quatnm mechanics'
-tony