Online aids: Internet chalkboard (Java)
http://faculty.oxy.edu/whitney/aids_intchkbd.htm
These Java applications require Netscape 4.5 (or above) or
Internet Explorer 4.0 (or above). If the applications fail to run, you may need
to download the Java virtual machine.
Goto: Calculators and simulators
(Note: Your first selection takes the longest to start because it prompts your computer to activate the master program for the Internet Chalkboard; subsequent selections should load more quickly.)