Addition; Subtraction - National Semiconductor NS500 Instructions Manual

Pocket printing calculator
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. . . .
F-------------------------------------------~
ADDITION
To perform addition:
1. Press the T
key to clear the adding machine.
2. Enter the first figure to be added, press
+.
(Continue to
enter addends arid touch the
+
key.)
3. Press
#/5 to see a subtotal printed. Press T to print the
total and clear the adding machine.
Example
55.55+
1.11-
54.44
*
Sample Tape
0.00
*
obo
002
Comments
Unnecessary if adding
machine is clear.
Set decimal switch: 2 place setting ~El
T
+
Press
T
Enter
55.55
1.11
SUBTRACTION
To perform subtraction:
1. Press the T
key to clear the adding machine.
2. Enter the top number in the subtraction problem (minuend),
press
+ .
3. Enter the second number (subtrahend), press
-
4. Press
#/S
to see a subtotal printed.
Press T
to print the total answer and c)ear the adding
machine. Negative totals and subtotals print with a negative sign
to the immediate left of the most significant digit so that you can't
miss it.
Example
55.55
-
1.11
54.44
12.20+
0.41 +
21.00+
33.61 ::'
Sample Tape
12345#
5.75+
6.00+
23.76+
35.51
~
Sample Tape
0.00*
003
Subtotals addition
Totals addition
The item count,
003 entries,
prints on the left side of
003
the tape.
+
+
+
T
12.20
+
.41
+ 21.00
33.61
2
F
ml
Set decimal switch: 2 place setting
0
Press
Comments
T
Unnecessary if adding
machine is clear.
000
Enter
12345
5.75
6
23.76
12.2
.41
21
Enter
Example: Add the following charges made on account
#12345.
$ 5.75
6.00
23.76
Set decimal switch: 2 place setting
~~
Press
# /5
Performs non-add function
+
+
+
5
T
35.51 ::'
003
4

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