Sharp QS-2130 - Manual (Page 8)

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19 DIVISION KEY:
Orders division.
20
MULTIPLICATION KEY:
Orders multiplication.
21 1ST MEMORY KEYS:
These keys have access to the 1st memory register to store, calculate and recall
numbers for further use.
MEMORY PLUS : When depressed after a numeric key or a calculation this key adds
the numbers or the result to the 1st memory register.
MEMORY MINUS : When depressed after a numeric key or a calculation this key
subtracts the numbers or the result from the 1st memory register.
RECALLMEMORY : Displays the contents stored (the answer) in the 1st memory
register on the display. It does not clear the contents, but recalls the
answer to the display.
CLEAR MEMORY : Clears the entire contents of the 1st memory register only.
22 DISPLAY
: 1st memory symbol
Appears when a number is in the 1st memory.
: Minus symbol
Appears when a number is a negative.
: Error symbol
Appears when an overflow or an error is detected.
: 2nd memory symbol
Appears when a number is in the 2nd memory.