Thanks for providing the link and welcome to the forum. You might like this:

http://www.angio.net/pi/piquery

And here is where you can download up to 400 million digits of pi.

]]>Up to 1 million

]]>This is shortly after the six nines in a row at 762 to 767.]]>

I hadn't seen the nested square roots formula for pi. I was of a few continued fractions though.

Most of those are beautiful !

GiB wrote:

10 Decimal Places of an Approximation is 10 Decimal Places Short of Buying a Hot Dog!!

Please leave gAr and phrontister alone, okay? If two members are having a math discussion then sit down, cross your arms and just listen. You will definitely learn something. Taunting people in an attempt for you to be the center of attention is out. Do you understand?

GiB wrote:

Ok! Blue Watch Send it to the Make up a Person Box!...and Sign it as Not Known! it's easy just Register.

I do not know what you are driving at with that but I am not happy with it.

]]>Have a good day, see you later.

]]>Here's the Wolfram link. There are downloads there you can use.

Thanks for that formula, but I'll have to look at it later because I'm off to work soon.

]]>Can you point out where you are looking?

Here is the one I meant:

]]>No, I hadn't. I googled it and saw "Viète's Nested Square Root Representation of Pi" on Wolfram.

I don't understand what that infinity symbol does or how to calculate that manually, but I notice that for every increase of *N* to a further multiple of 5, pi's accuracy increases by 3 decimal digits.

Have you seen any of the nested square roots for pi?

]]>Ok, but I assure you that they're interesting. I'm not talking about ramanujan's works, it's well beyond my thinking also.

Interest is all what is required, you can learn quickly and discover many more interesting stuffs!

I got interested in mathematics only after getting introduced to calculus, tremendously useful and practical.