Posts: 308
Threads: 26
Joined: Jul 2007
Possibly some kind of overhead display conversion?
Another (perhaps a tad larger) matrix LCD without backing and see-throgh could be placed on a transparency projector for classroom display...
Bill Wiese
San Jose CA
Posts: 2,247
Threads: 200
Joined: Jun 2005
I can be used as an example of people who tamper with calculators and can't put them back together!!!!
His response to queries about if the calculator works is sooooo lame!!!
Namir
Posts: 415
Threads: 19
Joined: Jan 2005
I have one like these, mine has been made to test the keyboard during engineering (CPU-board missing). This one might have been used to test various different displays.