18 November 2015: We have begun a new series on symmetric chaos and here is the first of our new images.

11 March 2016: Thumbnail images for all 12 images of SX Table A3 have been posted HERE.

18 March 2016: Bifurcatiion movies for all 12 have been posted HERE, thanks to much help from students of Porter 34B, Winter 2016, UCSC.

29 February 2016: We have begun a new series of four-dimensional fractal notes, comprising Codes M, N, and O of Sprott's SA.

The thumbnails for all 17 images of Code M (quadratic mappings) have been posted HERE, thanks to inspired work by Hiroko Tojo.