CASIO MJ-100D Calculator replace battery

How to change battery of a CASIO MJ-100D Calculator?

Replace battery in a CASIO calculator. How repair a casio calculator?

Remove CASIO MJ-100D Calculator case. Casio calculator not working. How to fix a casio calculator?

#casio-mj-100d

[sanilkumar]

I changed but not working, when i short reset then working 5 minutes and off . every time short reset then only working .

[Isaac-ghku]

I have a MJ-120D Plus Casio calculator, but is replacing the battery is the same as what you did on the MJ-100D calculator?

[themanoharg]

Where can i get that battery?
And what is the name of battery?

[Shehara_]

May i know the average battery life of this calculater's battery