[1.8] Make a protective plastic 'skin' for your calculator
If you use your calculator in a contaminating environment, or just while you're eating pizza, this tip
offers some measure of protection.
Wrap the calculator with plastic wrap. Heat it with a hair dryer (blow dryer) on the medium setting, just
until the plastic softens and conforms to the keys. Don't over-do it - the LCD display can be
permanently damaged by too much heat.
(Credit to Tip DS)
[1.9] Physical characteristics of TI-89 and TI-92 Plus
The table below shows some physical characteristics of the TI89 and TI92+. The characteristics for the
TI-89 are for a HW1 calculator. Numbers in parenthesis refer to notes following the table.
1 - 10
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