- The Mathematical Association of America's collection of linear algebra resources: http://www.maa.org/programs/faculty-and-departments/course-communities/browse?term_node_tid_depth=42292
- Row reduction: http://www.gregthatcher.com/Mathematics/GaussJordan.aspx
- Visualization exercises from Bates College: http://abacus.bates.edu/acad/depts/math/linearalgebra/
- Several applets from Drexel: http://www.math.drexel.edu/~pg/java/la_applets/
- Applets from Terry Tao (linear algebra at the bottom): http://www.math.ucla.edu/~tao/java/index2.html
- Conceptual Online Linear Algebra: http://personal.bgsu.edu/~meel/Tools/
- Markov chain calculator (uses AT instead of A): http://www.zweigmedia.com/RealWorld/markov/mkvjav8_2.html
- Vector fields for differential equations: http://www.aw-bc.com/ide/idefiles/media/JavaTools/vctfield.html
- Fourier series:
- orthogonality: http://www.katjaas.nl/sinusoids2/sinusoids2.html
- first few terms: http://fourier.eng.hmc.edu/e101/lectures/handout2/node1.html
- approximate different functions: http://www.phy.ntnu.edu.tw/oldjava/OTHERS/fourier2/index.html
- sounds: http://homepages.gac.edu/%7Ehuber/fourier/index.html