Casio fx-82AU PLUS User Manual page 24

What is the difference between Ans memory, independent memory,
and variable memory?
Each of these types of memory acts like "containers" for temporary storage
of a single value.
Ans Memory: Stores the result of the last calculation performed. Use this
memory to carry the result of one calculation on to the next.
Independent Memory: Use this memory to totalize the results of multiple
calculations.
Variables: This memory is helpful when you need to uses the same value
multiple times in one or more calculations.
What is the key operation to take me from the STAT Mode to a mode
where I can perform arithmetic calculations?
Press
How can I return the calculator to its initial default settings?
Perform the following operation:
When I execute a function calculation, why do I get a calculation result
that is completely different from older CASIO calculator models?
With a Natural Textbook Display model, the argument of a function that
uses parentheses must be followed by a closing parenthesis. Failing to
press after the argument to close the parentheses may cause unwanted
values or expressions to be included as part of the argument.
Example: (sin 30) + 15
Older (S-VPAM) Model:
Natural Textbook Display Model:
Failure to press
(COMP).
here as shown below will result in calculation of sin 45.
Manufacturer:
CASIO COMPUTER CO., LTD.
6-2, Hon-machi 1-chome
Shibuya-ku, Tokyo 151-8543, Japan
Responsible within the European Union:
CASIO EUROPE GmbH
Casio-Platz 1
22848 Norderstedt, Germany
This mark applies in EU countries only.
(CLR) (Setup)
30
30
30 15
(Yes)
15.5
15
15.5
15
0.7071067812
SA0904-A