The "e" showing up in display panel I have a Canon CP1200D calculator purchased February 2008 and while using today an "e" has appeared on the left hand side of more...
Permanent 'hyp' in display and Error Code Er4 with any key press I have a Sharp EL-506G scientific calculator that has 'hyp' on the left side of the more...
ti-5032 svc changed the ink cartradge now the display only chows part of the numbers .. the center of the numbers accross the display screen stays blank ??
change ink more...