Scientific calculator by Casio. Widely used by students world-wide due to its great quality for the low price.
ara ara @araara
Rep: 1
Posted: Sep 7, 2021
My calculator is not turning on
Is this a good question?
jayeff @jayeff
Rep: 449.5k
11
366
1.4k
Posted: Sep 8, 2021
Hi,
Have you tried replacing the battery you didn’t say?
Casio FX-991ES Plus Battery Replacement
Was this answer helpful?
Past 24 Hours: 1
Past 7 Days: 4
Past 30 Days: 19
All Time: 496