Voicemail:415 759-2730 x3807 (E-mail is better)
Fax: 415 759-2742
email: math dot cohen at gmail dot com (for Lowell students and
bic at cgl dot ucsf dot edu (for other contacts)
Lowell High School
- 1101 Eucalyptus Drive
- San Francisco, CA 94132
Course Resource Pages for my Students 2012-2013:
now live at www.tetrahedra.net
Students are encouraged to email me: math dot cohen at gmail dot com
AIM Math Teachers' Circle Immersion Workshop: Tuesday, July 24, 2012
I used my computer to project this
plan which points to various
slides including two Geogebra demos. The
Cavalier coin stack pictures
are in a zip file.
have been compbined into one PDF file.
SFSU Sage Talk: Tuesday, June 7, 2011
For information on Sage see the Sage website. My notebook from today is here.
SFUSD Professional Development Talk
Lowell Professional Development Talk
Talks with David Sklar
SFSU Math 400
Recent CMC Asilomar and Palm Spring Presentations:
Talks by David Sklar:
- Plane Sections of Real and Complex Tori or Why the Graph of
is a Torus: PowerPoint version or
Sonoma State - February 2006.
Here are some sites you might want to visit:
This page last modified
Wed Jul 25 10:30:07 PDT 2012