Re: A89: Re: [OT] Pi

To: <assembly-89@lists.ticalc.org>
Subject: Re: A89: Re: [OT] Pi
From: "Kevin Goodsell" <goodsell@bridgernet.com>
Date: Sun, 16 Apr 2000 09:59:27 -0600
Reply-To: assembly-89@lists.ticalc.org

But it is faster. Much, much faster.

-Kevin

-----Original Message-----
From: Scott Dial <wrath@calc.org>
To: assembly-89@lists.ticalc.org <assembly-89@lists.ticalc.org>
Date: Sunday, April 16, 2000 1:15 AM
Subject: Re: A89: Re: [OT] Pi


>
>The point of the algorithm is not that it is any quicker... it is that
>it is a explicit formula for pi. It was thought impossible... now they
>don't. Btw, digits in HEX constitute multiple digits in base 10, so to
>find the 10^100th digit is really impossible to predict which hex digit
>contains that base 10 digit.
>
>Groman wrote:
>>
>> People! Have you noticed that the algorithm actually takes about as long
as
>> calculating all previous digits! It's a huge sum function. It will take
>> several years to get 10^100th digit for example(or more??)
>>
>> >
>> > So far, no similar alg has been discovered for decimal.  And there is
no
>> > way to determine what digit the nth digit in hex is, because one hex
>> > digit can represent either 1 or 2 decimal digits.  Guess we'll just
have
>> > to wait until someone discovers an nth digit alg in decimal...
>> >
>> > Cassady Roop
>> >
>> > RoniBarrett@aol.com wrote:
>> > >
>> > > In a message dated 4/14/00 8:13:51 PM Eastern Daylight Time,
>> > > croop@oregontrail.net writes:
>> > >
>> > > << No, the base 16 alg they are talking about is unusual in that you
do
>> not
>> > >  need to calculate the previous digits to get a specific digits.
That
>> is
>> > >  why it caused such a stir when it was discovered, because before
then
>> > >  that was deemed totally impossible.
>> > >   >>
>> > > I suppose its possible. I dont think that an irrational number in
>> decimal has
>> > > to be irrational in anything else... or it may be a regularly
irrational
>> > > number (like 0.01001000100001.....). But this still leaves it hard to
>> find
>> > > any decimal digit, since you would have to use this to find all the
>> digits
>> > > before the one you want, then convert all that into decimal. Happy
>> number
>> > > crunching:-)
>> > >
>> > > Jeff Barrett
>> > > Hybridsoft
>> > > Co-founder and Director of TI Programming
>> > > Hybridsoft.cjb.net
>> > > Ronibarrett@aol.com
>> > > AIM:RoniBarrett
>> > > ICQ:67472242
>> >
>
>--
>Scott "_Wrath_" Dial
>wrath@calc.org
>ICQ#3608935
>Member of TCPA - tcpa.calc.org
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