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65-790.fm Page 23 Monday, November 29, 1999 3:59 PM
CALCULATOR
To use the calculator, press
Press the number keys in the order they
appear in the arithmetic operation. For
example:
You press:
3 + 4 =
8
3 – 4 =
6 2 =
To clear a calculation, press
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
• If you enter a wrong number, press
and re-enter the correct num-
C/CE
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
You press:
720
20 %
SQUARE CALCULATIONS
.
To do square calculations, follow this ex-
ample (to calculate 4
You see:
7
20
MEMORY CALCULATIONS
3
The memory calculation feature lets you
easily perform multi-step calculations.
.
C/CE
Use the following keys to perform mem-
ory calculations:
• Press
• Press
• Press
.
C/CE
• Press
.
=
For example, to calculate (4
2) – (7 – 2) + (75
You see:
144
Note:
in memory.
clear the memory.
2
):
You press:
You see:
4
=
to clear the memory.
MC
to total a calculation and
M+
add the total to the value in memory.
to total a calculation and
M–
subtract the total from the value in
memory.
to recall (display) the
MR
value in memory.
5):
The display's last line
You press:
shows:
4
5 = M+
M 20.
28 + 2 = M+
M 30.
7 – 2 = M–
M 5.
75 5 = M+
M 15.
MR
M 60.
M
appears when a value is stored
M
disappears when you
16
5) + (28 +
23
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