Posted 21 August 2019 - 06:19 PM
Manual says that error is because Ram card is not present in Slot 0.
Posted 27 August 2019 - 07:25 PM
This calculator needs to work at least one ramcard in slot 0.
If you have it but the calculator still says that, check the battery of the ramcard.
Also would help to blow the slot 0 dock and clean with alcohol the ramcard contacts.
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