On Thu, 20 Jul 2006, John J. Trammell wrote:

> On Thu, Jul 20, 2006 at 03:53:04PM -0500, Dan Drake wrote:
>> The other day I learned that Ramanujan (a famous Indian mathematician
>> from the WWI era) had an expression that matched pi to 9 decimal
>> places:
>>
>>   (98.5 - 1/11)^(1/4)
>>
>
> 97.5 perhaps?  And I only get 8 decimal places.


With 97.5 it is good for 8 and the 9th is off by only 1:

(97.5 - 1/11)^(1/4) - pi
ans =  -1.00714681039449e-09

Ramanujan was extremely good with Pi and he developed many fascinating 
equations for Pi.

Mike