I was looking online for some LaTeX flashcard templates the other day and came across some nice flashcards by Jason Underdown at The University of Utah. (Find them at http://www.math.utah.edu/~jasonu/flash-cards/.) He has both math and physics flash cards on his website. The math cards include Calculus I, Linear Algebra, Abstract Algebra, Real Analysis I Definitions, Real Analysis I Theorems, Probability, and Topology. The physics cards include Mechanics, Thermodynamics, Statistical Mechanics, Electrodynamics, and Quantum Mechanics.
These flash cards are conveniently business card size. This makes it quite easy to print on business card paper from any office supply store and carry them with you wherever you would like. Jason was also kind enough to provide the LaTeX file for each of the flashcard sets. I will definitely be making some flash cards for some of my classes and also passing these along to my students.
Do you know of any other good flashcard sets that have already been created? Please share your card sets if you make some.