19
20
↑ ↑ ↑ ↑
+ / -
11
%
÷
12
mu
X
13
%
C/CE
=
14
15
NBR
1
Memory Total Key
2
Memory Subtotal Key
3
Memory Minus Key
4
Memory Plus Key
5
Total Key
6
Subtotal Key
7
Ref # Key
8
Plus Key
9
Minus Key
10
Numeric Keys & Decimal Point Key
11
Percent Change Key
12
Mark Up Key
KEYBOARD LAYOUT
21
+ F 0 1 2 3 4
7
8
18
4
5
17
16
1
2
0
00
10
OPERATION KEYS & SWITCHES
KEY/SWITCH
22
↓ 5/4 ↑
9
_
7
9
6
6
3
+
8
5
NBR
KEY/SWITCH
13
Percent Key
14
Clear/Clear Entry Key
15
Equals Key
16
Multiplication Key
17
Division Key
18
Back Space Key
19
Paper Advance Key
20
Change Sign Key
21
Decimal Selector Key
22
Rounding Control
23
Display/Print Display/Item Count Selector
23
d pd n
m*
1
ref #
m
2
m-
∗
3
m+
4