Question about Texas Instruments TI-89 Calculator
The calculator has become unresponsive to buttons being pressed, except 2nd function button(blue) and diamond button (green)
Give it a factory reset, this works, you will lose any unarchived data : http://www.associatedcontent.com/video/265/how_to_reset_a_texas_instruments_ti89.html?cat=59
Posted on Sep 03, 2008
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Posted on Jan 02, 2017
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