CITIZEN 520-DPA - Manual (Page 2)

KEYS AND SWITCHES DESCRIPTION
Numerical key
Used to enter number into calculator.
Decimal point key
Used to enter decimal point.
Change sign key
Reverse the sign of the data of the X-register.
Multiplication and division key
Stores multiplication and division orders and performs
multiplication and division orders stored previously.
Perform repeat multiplication and division calculation.
Equal key
Performs multiplication, division, MU, constant calculations and
other calculations.
Clear/Clear entry key
Used for clearing wrong entry or registered amount. Memory
contents are not cleared.
Percent key
Performs percent calculations.
a. A X B % -> A * B / 100
(Add on discount calculations are possible)
b. A ÷ B % -> A / B x 100
1 (E)
Sub total key
Used to display and print the contents of the total memory.
Total key
Display and print the contents of the total memory and clears it.
Plus 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 Plus key as many times as necessary. If this key is
depressed immediately after [%] key, it works as percent plus key.
Minus key
To subtract the same amount more than one time (repeat
subtraction), enter that amount once and depress the Minus key as
many times as necessary. If this key is depressed immediately after
[%] key, if works as percent minus key.
Memory subtotal and total key
Recall the result to the display and / or print out if set to Print mode
by pressing this key once. Contents of the memory will be cleared if
this key is depressed twice.
Mark-up key
For the calculation of sales or purchase price with profit margin.
Paper feed key
Memory Plus key
Adds an amount to memory. If there is a live calculation pending,
the Memory plus key will complete the calculation and accumulate
the result to Memory.
Memory Minus key
Subtracts an amount from memory. If there is a live calculation
pending, the Memory Minus key will complete the calculation and
subtract the amount from Memory.
Tax include key
Calculate amount including TAX with TAX rate preset by [TAX] key.
Discount key
Calculate amount excluding TAX with TAX rate preset by [TAX] key.
+/-
CE/C
%
M
FEED
M+
M-
9 0 to
MU
TAX +
TAX -
MU FEED LOCAL RATE TAX + TAX -
0
7 8 9
4 5 6
1 2 3
00
M+
M-
M
DECIMAL
A 0 2 3 F
ROUNDING
5/4 OFF ON
GT
OFF ON
POWER/PRINT
PRINT
+/-
%
CE
/C
GT