Comments to:
maw@math.arizona.edu

• Understanding Mathematics. A study guide by Peter Alfeld of the University of Utah.
• The most Common Errors in Undergraduate Mathematics by Eric Schechter of Vanderbilt University. "I am tired of seeing these same old errors over and over again. I distribute copies of this document to my undergraduate students at the beginning of each semester."
• S.O.S. Math is at the University of Texas at El Paso. Contains materials to help you do your homework, prepare for a test, and get ready for class. Reviews the most important results, techniques and formulas in college and pre-college mathematics.
• Exercises in Math Readiness, from the University of Saskatchewan, Canada, concentrates on those high school mathematics topics that seem to be most important for university study in mathematics, the other sciences, engineering, and commerce.
• Probability and Statistics Resources. Includes Three Door Puzzle, Descriptive Statistics (introduction to Mode, Median, and Mean), Linear Regression, Chi-Square, Exponential Fit, Guessing Correlations, Buffon's Needle.
• Lessons, Tutorials and Lecture Notes from the Math Archives at the University of Tennessee, Knoxville.
• Eric's Treasure Trove of Mathematics.
• Favorite Mathematical Constants by Steven Finch of MathSoft Inc.
• Dave's Math Tables contains a list of basic identities from Algebra, Trig, Calculus, etc.
• Linear Algebra WebNotes by Mark V. Sapir of the University of Nebraska, Lincoln. This is a complete undergraduate Linear Algebra course including the text of lectures, homework assignments and tests with solutions, a discussion page, Maple examples, etc.
• Analysis Courses on the Web
• Analysis WebNotes by John L. Orr of the University of Nebraska, Lincoln
• Interactive Real Analysis by Bert G. Wachsmuth of Seton Hall University

• Pictures of two geometrical models constructed by University of Arizona mathematics major Jennifer Widman as part of a final project for Math 430, A Second Course in Geometry, taught by David Gay. These pictures show maps on the surfaces of many-holed doughnuts which are colored with the maximum number of colors.
• A collection of over 1000 Virtual Reality Polyhedra by George W. Hart of Hofstra University, NY.