Jump to commercial software or to Java applets or to resources or to professional organizations.

Links

Software

Open Source/Freeware/Shareware

• Maxima symbolic computer algebra system
• Yacas symbolic computer algebra system
• Octave numerical computer algebra system
• Scilab numerical computer alagebra system
• Sage
• Scientific Applications on Linux (variety)
• S-plus and R statistics software
• gnuplot graphing
• Gri scientific graphics programming
• AMS TeX Resources scientific text typesetting
• TeXmacs scientific text editor
• Mac-TeX portal to MacOS X TeX/LaTeX resources
• Ken Gaal's programs variety, including fractals, simplex, and conics

Commercial

• Maple symbolic computer algebra system
• Mathematica symbolic computer algebra system
• Mathcad computer algebra system
• Matlab numerical computer algebra system
• Minitab statistics software
• JMP statistics software
• Fathom statistics exploration software
• Geometer's Sketchpad interactive geometry software
• Cabri-geometry interactive geometry software
• DPGraph 3D graphing software
• RockWare Inc. variety of graphing software

Java applets

• Rossman/Chance Applet Collection (statistics)
• Introduction to the Practice of Statistics, W.H. Freeman (statistics)
• MSTE at UIUC (variety)
• SpiroGraph (hypo- and epicycloids)

Resources

• MAA math videos introduce a variety of topics
• Mathematical Moments (posters)
• Career and Employment Resources for Mathematics Students
• The MacTutor History of Mathematics archive
• The Connected Curriculum Project (CCP)
• Math Forum @ Drexel
• Problems, Resources, and Issues in Undergraduate Mathematics Studies (PRIMUS)
• random.org
• Clay Mathematics Institute
• PBS TeacherSource (Math)
• Math words, and some other words, of interest
• Proofs (fun)
• Grandma Problem
• Math in the Media
• Feature Column: monthly essays on mathematical topics
• Mathemagic;   Secrets of Mental Math
• A Musical Message Discovered In Plato's Works
• What is math for?
• Examples of great mathematical writing
• In The Eye Of The Beholder: Art, Justin Bieber And The Best Equation Ever
• Arts: Photographer Loves Math, Graphs Her Images
• What every scientist should know about floating-point arithmetic (html or pdf)
• Prof. W. Kahan's web pages (check out the list of available files)
• Paul Halmos: In His Own Words

Professional Organizations

• California Mathematics Council, Community Collegesa (CMC3)
• American Mathematical Association of Two-Year Colleges (AMATYC)
• National Council of Teachers of Mathematics (NCTM)
• Mathematical Association of America (MAA)
• MAA Students
• American Mathematical Society (AMS)
• Society for Industrial and Applied Mathematics (SIAM)