Emerson Radio SB50 User Manual
Operation chart

Thank you for purchasing this SpongeBob SquarePants calculator. Emerson Radio Corporation
is producing this calculator under license from Nickelodeon. In addition to normal functions (+, –,
x and ÷), this calculator has percent (%) and square root (√) functions.
If you have any problems with the setup or operation of this calculator, please call the Emerson
Radio Corporation service hotline, toll free at 1-800-898-9020.
OPERATION CHART
To operate the keypad of the calculator, press the center of the button keys.
ON
3
8 + 6
0 =
4
8 + 6
0 =
7
2
x
3
3 =
2
4
x
1
8 =
8
1
3
0
-
5 =
4
x = = = =
2
7
-
6
x 3 ÷ 7 =
1
0
0
0
0
x
1
0
0
0
0 =
1
2
x
1 =
2 =
3 =
1
4
4 ÷ 1
2 =
7
MR
MC
AC
CE
OFF
2
x
3
M+
4
8 ÷ 4
M-
1
3
2 =
1
2
0 =
1
4
4 + 1
0 %
%
2
9
9
-
3
0
8
8
x
6 %
9
6
-
2
5 %
5
8 ч 2 =
1
4
4 ч 8 =
3
8
-
1
0 =
8
-
1
0 =
Turn the Unit on
Addition
38 + 60 = 98
48 + 60 = 108
Subtraction
38 - 10 = 28
8 - 10 = -2
Multiplication
72 x 33 = 2,376
24 x 18 = 432
Division
58 ч 2 = 29
144 ч 8 = 18
Percent
144 + (144 x 10%) = 158.4
299 - (299 x 30%) = 209.3
88 x 6% = 5.28
96 - 25% = 72
Raising a Number to a Power
43 = 1,024
Finding Square Root
81 = 9
30 - 5 = 5
Chain Calculations
(27 - 6) x 3 ÷ 7 = 9
Automatic Constant/Multiplication
12 x 1 = 12
12 x 2 = 24
12 x 3 = 36
Automatic Constant/Division
144 ч 12 = 12
132 ч 12 = 11
120 ч 12 = 10
Overload (Error)
10,000 x 10,000 = 100,000,000
Memory Calculations
(72 x 3) - (48 ÷ 4) = 204
Recall Memory
Clear Memory
Clear Display
Clear Last Entry
Turn the Unit Off
0.
98.
108.
28.
-2.
2376.
432.
29.
18.
158.4
209.3
5.28
72.
1024.
9.
5.
9.
12.
24.
36.
12.
11.
10.
1.0000000E
216.
12.
204.
204.
0.
0.
Answer/Display
Press These Keys
Sample Problem
SB50 OM.QXD 8/8/03 4:01 PM Page 1