Useful Links
General
- Math Forum (Fabulous resource to many mathematical links)
- Mathematical Encyclopedia (Hosted by Wolfram)
- Mathematical Fun Facts (Tidbits of interesting mathematics)
- The Mathematical Atlas (Brief descriptions of areas within mathematics)
- MacTutor History of Mathematics archive (Biographies of mathematicians, famous curves index, mathematician of the day)
- MathDL (Mathematical Sciences Digital Library from the MAA)
- Pronunciation guide for names of prominent mathematicians is linked here (A project by Dr. Khristo Boyadzhiev at Ohio Northern University)
- Greek alphabet (Prime web page)
- How to write proofs: a quick guide (by Eugenia Cheng)
- When Will I Use Math? (sponsored by BYU Math)
- Mathematics Matters (Institute of Mathematics and its Applications)
- This is What a Scientist Looks Like
Study Strategies
- Handouts for ISU's College Learning Strategies
- Math Study Strategies at ISU's Math Center
- Using Sources includes handouts on avoiding plagiarism, available at ISU's Writing Center
- Link to Handouts from ISU's English for Speakers of Other Languages (ESOL)
Symmetry
- John Wolfe's Border Pattern Gallery
- ScienceU
- Introduction to tessellations
- Regular Tessellations
- Totally Tessellated (Argument for 8 semi-regular tessellations and templates)
- Pentagonal Tilings
- Perplexing Pentagons
- Mathematics and Art
- Polyhedra and Art
- Platonic
Solids
- Analysis and Synthesis in Architectural Designs
120-cell
- The Story of the 120-Cell by John Stillwell
- My picture
and more pictures
from PCMI, and from Helmer Aslaksen's page in Singapore
- MathWorld entry
- Expanded 120-cell in Zome by George Hart
- Cardboard models of 3-d slices by Alicia Boole Stott (AMS Feature Column)
- Rotating model on page by Bathsheba Grossman
- 4-D regular polytopes
- 4-D polytope viewer by
Michael Gibbs
- 120-cell foldout
- Soap bubble image by John Sullivan
- Polymake data
- List of zome piece data
- Tribute
to H.S.M. Coxeter
Click here to test the Collatz Conjecture, courtesy of Angelo Mingarelli at Carleton University.
Future Teachers
- NCTM Principles and Standards for School Mathematics
- What to Expect Your First Year of Teaching
- K-12 Mathematics Curriculum Center (NSF funded)
Algebra
- Auto-Graph (Online function plotter)
- Algebra Review (University of Akron algebra tutorial)
- SOS Math (Algebra and Calculus practice and other useful links)
- Math Archives Algebra List (many links to other tutorials)
- Math Forum Algebra List (many links to algebra sites)
Geometry
- Math Forum College Geometry page (see especially Euclidean, Non-Euclidean, and Transformational)
- Geometry Center page
- Gallery of Interactive Geometry
- Nine-point circle page
- 4-dimensions: Stereoscopic animated hypercube
- Pythagorean Theorem
- Digital Math Archive version
- Jim Loy
version
- Cut-the-Knot
version
Trigonomety
- Math Archives Trigonometry List (many good links-try especially the ones marked with Java)
- Introduction to Trigonometry (one particularly good site for a quick review of trigonometry)
Conic Sections
Calculus animations including a plane cutting the cone to produce conic sections
Calculus
Math Forum Calculus List (Long list of Calculus related web sites including several of those below.)
Math Forum Pre-Calculus List (Good for finding links to help in reviewing pre-calculus material.
- CalcJava (Java applets for Calculus from Japan--Check out "Rectangle Approximation Method".)
- Graphics (More applets, mostly for Calculus I. Check out the second to last, 2.718...)
- Mathematics Animated (Many good calculus and other animations using Mathematica in QuickTime)
- Derivatives (Draw the derivative and then check your answer with lots of examples - very cool!)
- OU Calculus I Problem Archive (Caculus I Problems with hints and solutions)
- Famous Curves Applet Index (Several families of parametrized curves)
- Connected Curriculum Project (A wealth of information on Calculus and connections to other fields.)
- Calculus on the Web (Temple U. modules of problems in Calculus I, II, III.)
- Calculus IV at OU Resource Page (Supplemental graphics of surfaces.)
Matheatre (information on Calculus: The Musical! and fun calculus related lyrics to various songs)
Analysis
- Abstractmath (An excellent site to browse for advice on understanding and constructing proofs)
- Sequence convergence applet (From the article "Applets and Activities for Real Analysis" by Stemkoski and Storm in MathDL.)
Linear Algebra
- MacTutor History of Mathematics page (A history of matrices and determinants)
- A Brief History of Linear Algebra (A timeline with dates and mathematicians surrounding significant events)
- Online matrix calculator and other tools
Abstract Algebra
- Finite Group Behavior
- Clock (Modular) Arithmetic Pages (very simple explanation and examples of modular arithmetic)
- Numeroscope (related ideas but more sophisticated)
- Development of Group Theory (historical comments from the MacTutor History of Mathematics Archive)
- Polyhedra (Check "Images from the Text" and "Low tech Polyhedron Models")
- Online lecture notes on groups
- Peter Williams
- Paul Scott
- Arfur Dogfrey
- W.D. Joyner
- Abstract Algebra: The Basic Graduate Year (online text chapters by Robert Ash)
- Elements of Abstract and Linear Algebra (online succinct textbook)
- Abstract Algebra OnLine (Definition and theorem summaries from Abstract Algebra by Beachy & Blair)
- Maple Worksheets for Abstract Algebra (mostly on field theory)
Math in Modern Society
Voting Methods
- Washington
State University lesson pages on voting methods
- Science News article on pitfalls of the plurality method
- Science News article stating Borda count is the best method
- Voting theory page by James Green Armytage (includes strong recommendations against Borda count)
- Wikipedia entries on Borda
count, Instant-runoff
voting, Condorcet
(pairwise) methods, and Arrow's
Impossibility Theorem
- Vote: The Machinery of Democracy (Smithsonian exhibit on ballots and voting machines)
Weighted Voting Systems
- Electoral College page at the U.S. National Archives and Records Administration
- University of North Carolina page on the Banzhaf Power Index
Collecting Data
- How Gallup polls are conducted
- Methods
statement for 2004 National Election Pool Exit Polls
- Washington Post article on inaccuracies in 2004 exit polls
Describing Data
Probability
- Long term empirical probability demonstration.
Normal Distributions
- Normal distribution applet.
- Ball dropping experiment.
- Applet for changing the mean and standard deviation of a normal distribution.
- Demonstration of the central limit theorem
Fibonacci Numbers, Golden Ratio, and Spiral Growth
- Ron Knott's huge compendium
of links and information on Fibonacci numbers.
- Page
on Fibonacci numbers in nature.
- Article from maa.org on the golden ratio (also search at the MAA site for "Fibonacci" or "golden ratio")