Not So
Recent Stuff (before 2011)
- "The
History
of Logarithms: A glimpse of some highlights ."
Occidental College Colloquium, LA, CA. November 23,
2010
- "The
Articulation
of
Mathematics-A
Pragmatic/Constructive Approach to The Philosophy of
Mathematics." JMM, San Francisco, Jan.14, 2010.
- "Which Came
First? The Philosophy, the History, or the Mathematics?"
Mathfest 2009, Portland Oregon, August 6, 2009
- Visualizing
Linear
Functions
with
and without Graphs! (Power
Point
Presentation)
Saturday October 25, 2008 CMCFN
Conference, Arcata, CA
- Teaching
and the philosophy of mathematics. MAA
Minicourse #13 January 6 and 8, 2008.
San Diego, CA.
- "What
Place
Does
Philosophy
Have in Teaching Mathematics?" Preliminary report.
(.ppt file) MAA Jan. 6, 2007
- "Real Numbers: Models and The Proof of The
Continuum Hypothesis " (.ppt file) Math Dept.
Colloquium, CSU Sacramento, November 9, 2006.
- "Math and Music" (.ppt file) Presentation
at MESA,Cabrillo College, Sept. 14, 2006.
- "Life on a Torus:Some of the Mathematics from the World of
Pacman", CSUMB Colloquium, Sept. 15, 2006
- "Mathematics,
Music,
and
the
Guitar" (.ppt file).", Occidental
College Colloquium, April 21, 2006.
- "Dynamic Visualization of Calculus I-III " CSU Dominguez
Hills Mathematics Colloquium, March 1, 2006
- "Visualizing
Partial Derivatives without Graphs." MAA Jan. 14,
2006 (pdf)
- "The
Square
Root
of
2,
Pi, and the King of France: Ontological and
Epistemological Issues Encountered(and Ignored) in
Introductory Mathematics Courses.." MAA Jan. 12,
2006 (Power point)
- "The Incredible Number 7 " Occidental College
Colloquium (Power Point Presentation) Sept. 16, 2005
- "Winplot -Freeware for
Pre-calculus through Calculus III and Differential
Equations" CMC3 Dec. 3, 2004
- "Estimating Integrals Using
Polynomials:A Tale of Two Problems (and a
little history as well)
Eureka High School, May 27,2004
- Winplot 2 Hour Workshop at AMATYC
Conference, Salt Lake City, Nov. 15, 2003
- "Winplot -Freeware for Pre-calculus
through Calculus III and Differential Equations" ICTCM
Nov. 2, 2002
- "Using Probability to Understand Calculus ",
MAA Jan. 7, 2002
- "The Continuum Hypothesis: A Look
at the History of the Real Numbers in The Second Millennium.
", MAA Jan. 7, 2002
- "Some Early History of Logarithms",
Dept. of Mathematical Sciences Colloquium, New Mexico State University, March 20, 2001.
- Technology and the History of
Mathematics ICTCM 12 Nov. 6,
1999
- Dynamic Visualization of PreCalculus and Calculus
Concepts with Geometer's Sketchpad (AMATYC
Workshop). Nov. 5, 1998
- "Dynamic Visualization of Calculus I-III with
The Geometers' Sketchpad" Mathfest '98.
- "Concepts
to Drive Technology",
in Proceedings of the Fifth Annual International
Conference on Technology in Collegiate Mathematics,
edited by Lewis Lum, November,1992.
- UMAP Editorial (1990) 11 :
93-96. A Sensible Calculus.
- "Differential
Equations:
A
Motivating
Theme
for
Sensible Calculus." An unpublished paper related to one
theme of the Sensible Calculus. I welcome your comments on it.
- HSU Math Dept. Colloquia:
- "The
Articulation
of
Mathematics:
An Everyperson Pragmatic/Constructive Approach to The
Philosophy of Mathematics" April 8, 2010
- "Visualizing
Linearity:
Alternatives
to
Line Graphs" (.ppt
file), September 3, 2009
- "Models,
Numbers,
and
Measure
Theory:
The Independence of The Continuum Hypothesis. In
memory of my mentor, Jean van Heijenoort",(.ppt file)
Sept. 2, 2004
- "The Door Swings Both Ways:: Making Calculus Sensible with
Economics or Economics Sensible with Calculus",
December 11, 2003
- "Mathematics
Beyond
Good
and
Evil:
Duality in Geometry, Algebra, and Calculus!"
Thursday, November 21, 2002
- "What Is Topology and Why Is It Useful?"
Thursday, March 7, 2002
- " The Possible and the Impossible: Some examples of
the use of models and their consequences" Dec. 6,
2001
- "The Continuum Hypothesis: A Look at the
20th Century History of the Real Numbers from Cantor to
Cohen/Scott/Solovay" Sept. 14, 2000
- "Life on a Torus: Some of the Mathematics
from the World of Pacman" Sept. 30, 1999
- "The History of Logarithms: A glimpse of
some highlights." Feb. 4, 1999.
- "Mathematical Encounters with the Number
7." Sept. 10, 1998.
- "Solving Calculus Problems without
Calculus." April 2, 1998
- "Dynamic Visualization of Calculus."
September 18, 1997
- JavaSketches (not working)