20 Most Recent Casio Fx-992s Scientific Calculator - Page 8 Questions & Answers

You can't do that on Casio fx-991es plus calculator. Usually, infinity symbol available in calculators with CAS (Computer Algebra System).

Casio Office... | Answered on Dec 05, 2017

Found the manual but nothing about the sound.
If I recall sometimes the part that makes the sound can be damaged when replacing the battery, open it up and check the (little wire type vibrating bar) sound bar and adjust if necessary.


Casio Office... | Answered on Oct 07, 2017

Just a guess on this but I would say Page/Number ...Good Luck

Casio Office... | Answered on Oct 03, 2017

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