Matt Giwer wrote:
> 
>     And I have seen some deficiencies on the web. In
> the old days we didn't have calculators. But in those
> days we had rather simple formulas for most everything
> easily implemented in the POV parser. They were all in
> the CRC books. Chemical Rubber Company.
> 
>     I have no idea what is in the CRC books today but
> if you stop in a few used book stores you should be
> able to find old ones for a few dollars. The older the
> cheaper and math doesn't change.

The CRC Handbook of Mathematical Curves and Surfaces is on the
recommended reading list at the end of the POV docs, as is the CRC
Handbook of Standard Mathematical Tables.  Either would be more useful
to POV-Ray users than the CRC Handbook of Chemistry and Physics, which
is the only one I've ever been able to track down in used book stores.

-Mark Gordon

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