Visual Calculus
    http://archives.math.utk.edu/visual.calculus/
Math Archives:
    http://archives.math.utk.edu
Symbolic integrals
    http://www.integrals.com/ 
Differential Equations 
    http://mss.math.vanderbilt.edu/~pscrooke/detoolkit.html
DE on-line text book 
    http://csep1.phy.ornl.gov/csep.html
Numerical Methods textbook: 
    http://www.mhhe.com/engcs/general/chapra
 

Physics Sites

General Physics Website
   
The Physics Classroom - an  online text.

http://physicsweb.org/TIPTOP/VLAB/
A java applet physics library
    http://webphysics.ph.msstate.edu/jc/library/
    http://webphysics.ph.msstate.edu/javamirror/ntnujava/index.html
Multimedia Physics
    http://didaktik.physik.uni-wuerzburg.de/~pkrahmer/home/
Mulitmedia Optics
    http://didaktik.physik.uni-wuerzburg.de/~pkrahmer/home/optik.html
Nelson Wallace's Optics Site (Optics Shareware and Tutorials)
    http://home.earthlink.net/~nwwallace/index.htm
An animated GIF of DC Motors
    http://www.ul.ie/~gaughran/flynn/dcmotor.html
A Java applet of DC Motors:
    http://home.augsburg.baynet.de/walter.fendt/physengl/electricmotor.htm
    http://pathfinder.esu2.k12.ne.us/java/physics/physengl/electricmotor.htm
Yet another DC Motor
    http://webphysics.ph.msstate.edu/jc/library/20-3/index.html
Johns Hopkins Physics Demos - Just a list, not computer based
    http://www.pha.jhu.edu/facilities/pir/demos.html
Fundamental Physics Constants
    http://www.chemie.fu-berlin.de/chemistry/general/constants_en.html
Physics Textbook Websites
   Algebra-Based  Physics Texts:
       Serway:     http://www.saunderscollege.com/physics/college/
       Giancoli:    http://cw.prenhall.com/bookbind/pubbooks/giancoli/
    Engineering Physics Text:
       Giancoli:   http://cw.prenhall.com/bookbind/pubbooks/giancoli3/
 

Maple Sites 

Maple Manuals: 
    http://www.math.wpi.edu/Course_Material/Maple/manual2e/manual2e.htm
    http://saaz.lanl.gov/Maple/Maple_Home.htm
    http://www.indiana.edu/~statmath/smdoc/Maple.htm
Maple for PDE's:
   http://calclab.math.tamu.edu/docs/math308/topics.htm
Maple for calculus and PDE's:
   http://www2.ncsu.edu/eos/info/math/maple_info/www/index.html
 

TI Product page

    http://education.ti.com/product/prselect.html
 

TI-85 Sites 
Note: the TI-85 as well as the TI-92 have been discontinued by TI.  Their web pages can be found by going to the discontiued page:
    http://education.ti.com/product/discont.html

Applications of the TI-85
    http://archives.math.utk.edu/utk.calculus/clark/
TI-85
    http://archives.math.utk.edu/utk.calculus/rlittle/toc.html
TI Calculator Resources
   http://archives.math.utk.edu/calculator/ti-links.html
Guidebook (the manual)
    http://education.ti.com/product/tech/85/guide/85guideus.html

TI-86 Sites

Guidebook (the manual)
    http://education.ti.com/product/tech/86/guide/86guideus.html
Features:
    http://education.ti.com/product/tech/86/features/features.html
 

Browsers and Readers:

MathCAD Browser:
    http://www.mathsoft.com/browser/index.htm
MS Office readers 
    http://www.microsoft.com/OfficeFreeStuff/
    http://www.microsoft.com/office/office/viewers.asp
 

Technical Shareware, Freeware and Demos:

Javascript  - free source code
    http://javascript.internet.com/
Simtel - shareware and demo software source for DOS, Win 3.1 and in 95
    http://ftp.funet.fi/simtel.net/
    http://www.microsim.com/
MD Solids
    http://msumusik.mursuky.edu/mdsolids
OSLO (Optical Design Software - OSLO LT is free (up to 12 surfaces))
    http://www.sinopt.com 
Optics Net: 
    http://www.osa.org/ 
Tools of astronomical interest (also has KDP version 3.01 and a DOS version)
    http://www.maa.mhn.de/Tools/
CyclePad (Thermodynamics)
    http://www.qrg.ils.nwu.edu/software/cyclepad/cyclesof.htm
KDP Optics (Free Windows 95/98 Optical Design Program)
    http://www.kdpoptics.com/
ZEMAX and other software from Focus  Software
    http://www.focus-software.com/
 

Book Publishers

McGraw-Hill - General/Intro Engineering
    http://www.mhhe.com/catalogs/general.mhtm
Prentice Hall - Guided Tour to Companion Websites 
    http://www.prenhall.com/~bookbind/pubbooks/tour/html/start.htm