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CORRECTING ERRORS
Correcting Entered Digits
→
Press
to delete the last digit you entered.
→
Repeatedly press
to delete all digits from
the display (so
0
reappears).
Correcting Entry Errors
If you enter an incorrect value, press
(clear entry) once. Then enter the correct
value and proceed with your calculation.
Display Errors
E
(error) appears in the lower left corner of
the display when:
• a calculation result exceeds 12 digits.
This is an overflow error (see "Approxi-
mating Overflow Errors")
• you try to divide by 0
• a memory calculation exceeds 12 digits
(the
memory
unchanged)
Note:
......
is printed above the
overflow-error result when the print
mode is selected.
• Press
to clear the error, then try again.
C
Approximating Overflow Errors
If your calculation results in a number that
exceeds 12 digits, you can estimate the cor-
rect result, to 12 significant digits.
1. Count the number of digits that appear
to the left of the decimal point.
2. Remove the decimal point.
3. Add as many zeros to the right of the
number as there were digits to the left of
the decimal point.
6
For example, if
pears,
2,345,678,987,580.
CALCULATION EXAMPLES
Before performing each calculation, press
MT
to clear the last calculation and any dis-
played value.
CE
Addition and Subtraction
Your calculator uses the adding machine en-
try method to do addition and subtraction cal-
culations. To add or subtract, first enter the
value, then press a function key (+ or –) for
that value.
Example: 12.55 + 15.75 + 4.20 – 10.45 –
5.30 – 3.80 = 12.95
Switch Setup:
contents
remain
Constant Addition and
Subtraction
For addition and subtraction, the last value
you enter before pressing + or – is the con-
stant.
Operation
E 2.34567898758
the
approximate
to clear the memory (if necessary) then
P, A, IC+
Press
Display
1255 +
12.55
1575 +
28.30
420 +
32.50
1045 –
22.05
530 –
16.75
◊/S
16.75
380 –
12.95
/T
12.95
ap-
answer
is
C
Printout
+
12.55
+
15.75
4.20 +
10.45 –
5.30 –
005
◊
16.75
3.80 –
006
∗
12.95
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