In my wanderings, I came across this exciting new tool for braille users
especially students or those who work in scientific mathmatics.
or if you just like collecting nifty gadgets.
http://www.sensorytools.com/leo.htm
Hands-on Technolog(eye)s
Touching The Internet
http://members.home.com/poehlman1/
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voice: 301.949.7599