Victor 2640-2 Manual De Instrucciones página 10

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16. [ ]
√
◊
17. [# / ]
#
:
◊
:
18. []
19. [+/-]
20. [%]
21. [CE]
22.
[0]-[9], [00] & []
23. [−=]
24. [+=]
25. [%±]
Square Root
Calculation for square root.
Date / Subtotal
It will print live entry as an identifier as an invoice number with "#"
mark.
It prints but does not clear the accumulator.
Total Key
Totals the accumulator and clears all except the memory or grand total.
Sign Change Key
Reverse the sign on the display.
Delta Percentage Key
Automatically compares any two amounts and then calculates and
prints the difference and percent of change.
Clear Entry Key
Clears a live entry by pressing this key once.
Numeric Keys
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.
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.
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.
Percent Key
Completes percent calculation when [x] or [division] key is used.
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