General mathematics sites:
This website is very user friendly. It can be used for students, parents, or teachers. The most fascinating component of this website is the online grapher! When given an assignment, students can graph equations as functions or as relations. I was personally impressed with the capabilities of this program.
www.mathgoodies.com
This site offers lessons and puzzles to teachers, parents and students.
I can not link to the site without written consent.
Some of the puzzles and lessons are elementary. The Geometry
related lessons involve polygons and circles. Other topics include
percents, number theory
http://www.ncsa.uiuc.edu/General/Internet/WWW/HTMLPrimer.html
This website gives basic instructions for how to set up a html document.
This could be useful for a teacher or student who may be interested in
web page design, but needs some basics before beginning. The only
disadvantage is that it can only be viewed on-line.
http://www.rice.edu/web/quickhome.html
The Rice University Department of Mathematics website is a good site
for several reasons. There are many resources available. The
site above is
http://www.maa.org/devlin/devlin_11_00.html\
A very interesting topic is the behaviour of
the function f(x) = x sin(1/x) near
x=0.
Due to the finite pixel size, the graph
becomes
biased after some magnification steps,
but
the essential features may still be
observed.