"Bob H." wrote:

>
> > The coprocessor thing mentioned here reminded me that at the time I also
> didn't >have a math coprocessor but added one in at some point.  Must have
> been to >use POV-Ray and I had forgotten about it until now.

I guess my POV experience goes back a little farther. I started out using POV
(Version 1 I believe) on a 286-12 with no math coprocessor. At the time, there
were two versions of POV for DOS, one that required a coprocessor, and one that
didn't. This went away with the release of version 2. BTW, I own a copy of
Raytracing Worlds, and still refer to it from time to time for the wealth of
insights that it offers.

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