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23
CALCULATOR
To use the calculator, press .
Press the number keys in the order they
appear in the arithmetic operation. For
example:
To clear a calculation, press
C/CE
.
Notes:
• If the result of a calculation has
more than 12 digits, or if you try to
divide by 0,
E
(error) appears. To
clear the error, press
C/CE
.
• If you enter a wrong number, press
C/CE
and re-enter the correct num-
ber before you press
=
.
•Press
+
/–
to change the displayed
number’s sign from positive to nega-
tive or negative to positive.
PERCENTAGE
CALCULATIONS
To do percentage calculations, follow
this example (to calculate 20 percent of
720
):
SQUARE CALCULATIONS
To do square calculations, follow this ex-
ample (to calculate 4
2
):
MEMORY CALCULATIONS
The memory calculation feature lets you
easily perform multi-step calculations.
Use the following keys to perform mem-
ory calculations:
•Press
MC
to clear the memory.
•Press
M+
to total a calculation and
add the total to the value in memory.
•Press
M–
to total a calculation and
subtract the total from the value in
memory.
•Press
MR
to recall (display) the
value in memory.
For example, to calculate (4
×
5) + (28 +
2) – (7 – 2) + (75
÷
5):
Note:
M
appears when a value is stored
in memory.
M
disappears when you
clear the memory.
You press: You see:
3 + 4 =
7
8
×
3 –
4 =
20
6
÷
2 =
3
You press: You see:
720
×
20 %
144
You press: You see:
4
×
=
16
You press:
The display’s last line
shows:
4
×
5
=
M+
M 20.
28
+
2
=
M+
M 30.
7
–
2
=
M–
M 5.
75
÷
5
=
M+
M 15.
MR
M 60.
65-790.fm Page 23 Monday, November 29, 1999 3:59 PM