Http://support.casio.com/pdf/004/fx-115ES_991ES_Eng.pdf
M815279 - Casio FX-115ES Scientific Calculator.
This link provides the manual for your calculator. The information that you require is on page E-71.
Please check that it is the right calculator before proceeding.
Hope this helps, Nik.
SOURCE: Changed the AAA batteries but screen remains blank
Check for corrsion on battery terminals AND check batteries are in the correct direction.
SOURCE: ti 83 plus calculator -
Hi
try to clean the ram
Mode Alpha S - enter enter
let it run for a while this will clear the ram
if it will not help it could be a problem with the Driver of the Screen its an Hardware Problem
let me know if you want to fix the problem
[email protected]
Jack
Are you sure one of the batteries isn't in backwards? That will make it behave like that.
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