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16. [
√
]
Square Root
Calculation for square root.
◊
17. [# /
]
Date / Subtotal
It will print live entry as an identifier as an invoice number with "#"
#
:
mark.
◊
:
It prints but does not clear the accumulator.
18. []
Total Key
Totals the accumulator and clears all except the memory or grand total.
19. [+/-]
Sign Change Key
Reverse the sign on the display.
20. [%]
Delta Percentage Key
Automatically compares any two amounts and then calculates and
prints the difference and percent of change.
21. [CE]
Clear Entry Key
Clears a live entry by pressing this key once.
22.
Numeric Keys
[0]-[9], [00] & []
The calculator uses the conventional 10-key indexing keyboard, and
includes the double zero key and decimal point key. Whole numbers
are entered exactly as they are written.
23. [−=]
Minus Equal Key
Subtracts an amount from the accumulator. To subtract the same
amount more than one time (repeat subtraction), enter that amount
once and depress the [−=] key as many times as necessary. If this key
is depressed immediately after [%±] key, it works as percent minus
key. Complete Multiplication, Division and Delta Percentage
calculation.
24. [+=]
Plus Equal Key
Adds an amount to the accumulator. To add the same amount more
than one time (repeat addition), enter that amount once and depress
the [+=] key as many times as necessary. If this key is depressed
immediately after [%±] key, it works as percent plus key. Complete
Multiplication, Division and Delta Percentage calculation.
25. [%±]
Percent Key
Completes percent calculation when [x] or [division] key is used.
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