All of my "old" teaching pages can be
found on my teaching archive page.
My notes on Mathematical Problem Solving with Maple, written with Santiago Simanca, can be found here in
html or
PDF. These are not exactly modern anymore.
A very introductory paper on
cryptography [pdf]
(covers substitution ciphers, the Vigenere cipher, one-time pads, the Hill
cipher), developed as a professional development workshop given to middle
school teachers as part of the
MSTP project I was involved in.
An Introduction to Fatou and Julia Sets
appears in Fractals, Wavelets, and their Applications,
edited by C. Bandt, M. Barnsely, R. Devaney, K.J. Falconer, V Kannan, V. Kumar.
pp. 37-60.
Finding Roots of Complex Polynomials with Newton's Method.
Thesis, Boston University (1989).
(This includes a brief addendum from Sept '89;
electronic versions of some of the figures have been lost, and have been
replaced by scans from a printout from 1990. Pagination differs slightly
from the original. )