Welcome to Karl Schaffer's ugly home page!
(Last revision: Apr. 10, 2019)
KarlSchaffer-MATH_CLASSES (for current students)
RECENT ACTIVITIES:
Article in Proceedings of the National Academy of Sciences by Stephen Ornes, June 25, 2013, on our recent math and dance work.
See the October, 2012 TEDx presentation by Karl Schaffer and Erik Stern on our educational approach to combining dance and mathematics.
There is a feature article on me in the recent booklet for teenagers, Cool Careers in Mathematics.
Listen to the interview with of Sept. 12, 2008, on The Math Factor, the podcast by the
Univ. of Arkansas' Chaim Goodman-Strauss. Chaim Goodman-Strauss has another section of the interview he did with me
in 2008, on his podcast the Math
Factor. This one's on what's sometimes called the Portuguese Waiter trick;
the actual interview section is several weeks before Chaim's short video clip.
La Voz, De Anza's student paper, carried an article in 2009 by Joy Mann on my math/dance
activities.
They were more interested in Killer Klowns from Outer Space than I am, but
there you go!
Here's an interview with Robert Pollie on his show The Seventh Avenue Project,
in 2009. He interviewed Keith Devlin and I about the work "Harmonious
Equations," with music by Zambra, choreography by myself, prose narration
by Keith.
Discoveries and Breakthroughs in
Science May 2008 story + video clip on Erik Stern and my work integrating
math and dance (click on "Do the Math Dance," under the mathematics heading).
La
Nacion Costa Rica article of May 31, 2008 on the VI Festival Internationale
de Matematica (some work I did with students there is mentioned in
the article).
Resource list for artists trying
to link their art form to mathematics. It is designed especially for
teaching artists trying to make interdisciplinary connections with math
for their work with students or teachers.
Math and the Iraq War:
handout prepared for Creating
Balance in an Unjust World: conference on math education and social justice,
held Apr. 4-6, 2008, in Brooklyn, NY: This
includes the material on Iraq War Casualties prepared in 2004 and updated
in 2005, now updated again. (Other faculty may use this freely in your
classes, as long as you credit the author, but please do not "republish,
as I may make periodic revisions. Thanks!)
Graphing Calculator Sites
Here are some links to sites that show you how to use the TI-86 calculator.
Texas Instruments has some
Links
to sites showing you how to use the TI-83 and TI-89 calculators.
Graphing Piecewise Continuous Functions Using the TI-86 ...