Sharp QS 2130 QS-2130 Operation Manual - Page 6

Item Count Key, Right Shift Key, Square Root Key, Clear Entry Key - used

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7 ITEM COUNT KEY: The counter will count the number of times that the key has been depressed in the addition. Note: Each time the key is used in the subtraction, 1 will be subtracted from the count. When the key is pressed once, the number stored is displayed and may be used for further calculation. To clear the counter, press the key twice. The counter has the capacity of a maximum of 3 digits (up to 999). If the count exceeds 999, the counter recounts from 0 (Zero). 8 RIGHT SHIFT KEY: Operation of this key in entering numbers or calculated result shifts the number one digit to the right together with a decimal point. Used for one digit correction. 9 SQUARE ROOT KEY: Depressed after a number or calculation, calculates the square root of that entry and/or displayed numbers. An answer is displayed in the floating decimal system. Example: 5 → 2.23606797749 10 CLEAR ENTRY KEY: Clears a number which has been entered into the machine prior to use of a function key. Example: Set decimal at 0 12 43 34 → 46. ↑ (12 + 34 =) Mis-entry 5

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5
7
ITEM COUNT KEY:
The counter will count the number of times that the
key has been depressed in the
addition.
Note:
Each time the
key is used in the subtraction, 1 will be subtracted from the
count.
When the
key is pressed once, the number stored is displayed and may be used for
further calculation. To clear the counter, press the
key twice. The counter has the
capacity of a maximum of 3 digits (up to 999). If the count exceeds 999, the counter
recounts from 0 (Zero).
8
RIGHT SHIFT KEY:
Operation of this key in entering numbers or calculated result shifts the number one
digit to the right together with a decimal point. Used for one digit correction.
9
SQUARE ROOT KEY:
Depressed after a number or calculation, calculates the square root of that entry and/or
displayed numbers.
An answer is displayed in the floating decimal system.
Example:
5
→
2.23606797749
10
CLEAR ENTRY KEY:
Clears a number which has been entered into the machine prior to use of a function
key.
Example:
Set decimal at 0
12
43
34
→
46.
↑
(12
+
34
=
)
Mis-entry