Casio fx-991ES PLUS User Manual

To recall the contents of variable A
(Continuing) (A) 8
To clear the contents of variable A
0 (STO) (A) 0
Independent Memory (M)
You can add calculation results to or subtract results from independent
memory.
The "M" indicator appears on the display when there is any value other
than zero stored in independent memory.
Example:
To clear the contents of M
0 (STO) (M) 0
To add the result of 10 × 5 to M
(Continuing) 10 5 50
To subtract the result of 10 + 5 from M
(Continuing) 10 5 (M-) 15
To recall the contents of M
(Continuing) (M) 35
Note
•
Variable M is used for independent memory.
Clearing the Contents of All Memories
Ans memory, independent memory, and variable contents are retained
even if you press
, change the calculation mode, or turn off the
calculator.
Perform the following procedure when you want to clear the contents of all
memories.
(CLR) (Memory) (Yes)
26

Casio fx-991ES PLUS Specifications

General

Type	Scientific
Cover	No
Form factor	Desktop
Control type	Buttons
Product color	Gray
Digits	15 digits
Display type	Dot-matrix
Display resolution	96 x 31 pixels
Display number of lines	10 lines
Storage media type	Not available
Battery life	3 year(s)
Battery type	LR44
Power source	Battery/Solar
Number of batteries supported	1
Symbolic notation	Square root
Conversion between	Decimal, Fraction, Percent
Convert angles from degrees to	Gradian, Radian
Random number/integer generator	Yes

Weight and Dimensions

Depth	162 mm
Width	80 mm
Height	11.1 mm
Weight	95 g