Welcome to Jay R. Hill's Home Page

Come in and let's share interests: Fractals, chaos, physics, and astronomy, among other things.

Clock requires Netscape

------U.S.Naval Observatory Master Clock------------
Time: Universal Time
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I have available some of my fractal software. Also a lists of real roots of the Mandelbrot Set and Fractint par files containing 4684 image pars. And pointers to thousands more. 11/4/97

View these with the latest fractal technology! Thore Berntsen's freeware Fractint Screen Saver (link updated Dec 2003).

Fractint Contest Web Page Construction Kit (TM) 12/12/97

What is the area of the Mandelbrot Set? The estimated area lower bound is 1.506335 ± 0.000033. Read the latest results. 8/18/97

And I have a few old and new fractal pictures. 8/14/97

The Fractint discussion list had a useful exchange on Copyrights (MS Word) collected by Linda Allison. Also, a zip file containing an ASCII version. 8/9/1998

When I post or email, my sig (signature text) is a C program which produces an ASCII picture. Mixed in with the picture (of the Mandelbort Set) are my initials and, at the bottom, my email jay.r.hill at cpmx.saic.com. I use exact tests of a point to determine if it is in the period one cardioid (marked with H) and the period two circle (at -1, marked with J) which save a lot of time. You will my signature file and others in a collection of interesting sigs.

Read Dr. J's fractal bed time story "The Mysterious Fractal Comet" (about 1 MByte). 11/13/97
There are more than 100 recent adventures of Dr. J, including a new adventure nearly every night, see the Fractal of the Night .

Last updated Feb 6, 1999.

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