# Explanation Of Mode Sw Itch; Arithmetic Operations; Add & Subtract - Brother 862 Operating Instructions Manual

Portable mini calculator

DISPLAY SHOWS
235.
235.
179.
56.
3.
53.
DISPLAY SHOWS
423.
423.
382.
4l.
57.
- 16.
EXPLANATION OF· MODE SWITCH
Decimal
Switch
"F" position
The final
results will
be left in full
floating
form at.
"\$" position
The decimal point is automatically set to
po-
sition 2 for inputs so that the
'l
key need not
be entered.
Final
results will be processed as though
this
switch were in position "2"
"2" & "4" position
These will
cause floating point results to be li-
mited to
2
or
4
decimal place wi th
5/4
round-
ing performed if possible.
ARITHMETIC OPERATIONS
Exam pie
1: 3456+
7890~
11346
Depress the
[I]i4][}][6J
keys.
As the numbers are depressed
they will appear in the display.
Next. depress the
EJ
key.
Now depress the
[I][8]rn@]
and
B
key.
Then the final
result
(11346)
will
appear in the display.
Example 2:
479+586+184~1249
DEPRESS KEY
DISPLAY SHOWS
lIllI![8]
479.
m
479.
w[8][§J
586.
I±J
1065.
[i] [IE]
184.
B
1249.
Exam pie 3: 235- 179-
3~
53
DEPRESS KEY
[2]Q]W
EI
!.TIllJrn
B
[I]
B
Example 4:
423-382-57~
- 16
DEPRESS KEY
@][2][I]
EI
Q][8][I]
EI
[}]II!
B
3