RE: A85: Square roots

To: "'assembly-85@lists.ticalc.org'" <assembly-85@lists.ticalc.org>
Subject: RE: A85: Square roots
From: Jan Zumwalt <zumwalt@alaska.net>
Date: Sat, 11 Oct 1997 00:56:59 -0800
Reply-To: assembly-85@lists.ticalc.org

I could use them too!

On Friday, October 10, 1997 11:47 AM, Michael Pearce [SMTP:mikep@anet-dfw.com] 
wrote:
> On Fri, 10 Oct 1997 15:22:45 -0400, you wrote:
>
> >I believe if you use Newton's method of finding roots you can do this
> >easily
> >
> >If you don't know Newton's method here it is:
> >     	Let X equal the number you want to find the square root of.
> >	Let TOLERANCE be the accuracy of the root (1.0 * 10 ^ -7)
> >	When programming, multiply by the inverse, don't divide (it's
> >slow)
>
> How do you find the inverse of a number without dividing?
>
> And if the original poster of this needs 8-bit signed multiply and
> divide routines, i have some.
>
> -mike

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