S.O.S. Mathematics  Sites of Interest on the World Wide Web
Here is a list of some nice sites on the World Wide Web.
If you know of a site that should be listed, please let us know....
General Mathematics Sites
 The Math Forum @ Drexel. This site is worth visiting.
The webmasters did a wonderful job in collecting mathematically related material
available on the internet.

Ask Dr. Math. Any questions?
 Math
Archives. This is a complete site where you may find virtually
anything about Math on the Web.
 Math2.org. Features
a variety of tables in diverse areas of math, a message board and a chat room.
 Eric Weisstein's Math World, now
hosted by Wolfram Research. A very nice encyclopedic resource!
 Britannica.com brings you the
complete Encyclopædia Britannica and more. A wonderful resource, not only for Mathematics. [Free "trial".]

M@ths en Prép@. L'objectif est de proposer aux élèves des classes
préparatoires scientifiques un abrégé du cours de mathématiques,
une collection d'exercices et de problèmes corrigés et une introduction
à Maple.  Created by JeanMichel Ferrard.
 The Mathematical Atlas
provides an introduction to the areas of modern mathematics, and points to sources of
further information. A very nice site!
 ExploreLearning is an interactive math and science site
with lots of Java applets to experiment with.
 Earliest Uses of Various
Mathematical Symbols
These pages show the names of the individuals who first used various common mathematical symbols,
and the dates the symbols first appeared. A very nice site!
 MathNerds provides discoverybased,
mathematical guidance via an international, volunteer network of mathematicians.
 "Cut the Knot"  Interactive Mathematics Miscellany
and Puzzles. A great site created by Alexander Bogomolny. Worth a frequent visit!
 Technical Tutoring
(not a tutoring service) has lots of pages on various math subjects.
 Matthew Pinkney is the author of revision sites for
GCSE mathematics students and for students
at the Maths AS/ALevel.
 The
MathsInternetGuide features more than 100 links to websites with interactive content designed for grades K12.
Online Help, Tutoring and Other Services
 HotMath.com provides detailed
solutions for actual math textbook homework problems in many popular textbooks.
Covers 6th Grade through Calculus. (free trial)
 Academy123 offers interactive algebra homework help. Check out an
example. (free trial)
 MyMathTest.com is a free service to help you score
well on your college's math placement exam no matter which college you plan to attend.
 BookByte.com helps you save money on new and
used college textbooks.
 The ExamBot features customizable practice exams
for Math and Physics. Check it out!
 SmarThinking.com is an online
tutoring service for college students. (fee based)
 1800Student.com is a site, where you can sell your used books
or buy any book at reduced price directly from other people. [Link dead 2/1/09.]
 StuBex.com is a free online book exchange
for college students.
 calc101.com is a nice site where the creator George Beck
has done a very good job in helping students get answers to some basic questions from first semester
Calculus through WebMathematica. Check it out. Now also available:
graphing
and matrix manipulations.
 ESylvan offers onlinetutoring in
Mathematics and other subjects (feebased).
 Or try the Interactive
Math Tutor offering both online and phonetutoring (fee based).
 MathActive is an internet tutoring service. "We help students, teachers and schools learn and teach mathematics and
prepare for standardized math tests." (feebased)
 BrainMass.com  1400+ Master's/PhD experts offer
24/7 instant expert homework help, tutoring, essay writing help, and study guides in over 44 subjects. (feebased)
Organizations
Before Calculus: Arithmetic and Algebra
 Algebra Help  An Algebra resource that "explains
a wide range of algebra topics in a simple manner".

MATHabundance, a help site with quite a few topics from
upper secondary and lower division undergraduate Mathematics.
Maintained by Johan Claeys in Belgium.
 PlanetQHE is an interactive site designed
for high school students interested in chance and probability. Pretty cool!
 Math.com. A site mostly for middle and high school students.
 The Flashmaster is a small
handheld computer for mastering addition, subtraction, multiplication, and division tables.
Used in Sylvan Learning Centers^{®} and by Kaplan Inc.
Geometry

Euclid's Elements, a complete web edition of the most famous Math book of all times,
with comments by D.E. Joyce.
Calculus
Beyond Calculus

Phase Portraits for ODEs is a nice JAVA applet which plots
phase portraits of solutions to 2dimensional autonomous systems of differential equations.
 Internet Differential Equations Activities
is "an interdisciplinary effort to provide students and teachers with computer based activities
for differential equations in a wide variety of disciplines."
 The C*ODE*E Home Page. This
site features past and current issues of the journal edited by the
Consortium for Ordinary Differential Equations Experiments.
 Analysis Webnotes are lecture notes for a senior level analysis course,
written by John Lindsay Orr, University of Nebraska  Lincoln.

Computational Physics is a very nice site featuring
applied math topics such as ordinary and partial differential equations,
matrix methods and simulation algorithms.
 Download a movie clip of
"Galloping Gertie", a.k.a. the Tacoma Narrows Bridge!
A nice history of bridge construction over the Tacoma Narrows can be found at a
WSDOT website.
 Edwin H. Connell's
Elements of Abstract and Linear Algebra is a foundational textbook on abstract algebra
with emphasis on linear algebra. You may download parts of the book or the entire textbook!
 John Hubbard's article about the forced damped pendulum, which
appeared in the American Mathematical Monthly. In PDF format!
Calculators
Mathematics Software, Computer Algebra Systems and Java Applets
Mathematics Journals on the Web
 The Plus Magazine is an online mathematics magazine,
produced by the Millenium Mathematics Project, based in Cambridge (UK):
"Our broad goal is to help people of all ages and abilities share in the
excitement of mathematics and understand the enormous range and importance
of its applications to science and commerce."

Journal Storage. A site featuring a
selection of research journals not only in Mathematics. This site is only
accessible from computers at participating universities.
Miscellaneous Mathematics Related Sites
Information about Universities and Schools
Science Fair Help
Other Sites
 Physics Central is a site designed by the
American Physical Society and directed at high school and college students interested in everything connected to physics.
 NinePlanets. This site features "everything under the sun"
related to our solar system. Kudos for Bill Arnett for making this available on the web.
 The official site of the Bureau International
des Poids et Mesures, the heart of the International System of Units (SI).
 Speedguide.net
helps you optimize your TCP/IP for high speed Internet connections, such as Cable or DSL.
 Everything you want to know about Chemical Elements
is at
www.chemicalelements.com .
 The Galileo Project. This wonderful project is a
hypertext source of information on the life and work of Galileo
Galilei (15641642) and the science of his time.
 The American Family Immigration History Center
lets you explore your family history at Ellis Island.
