Casio FX 260 User Manual - Page 28

Overflow or Error Check - parentheses

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• In a series of calculations, press k while an intermediate result is displayed to clear only the last calculation performed. • To change the operator key w, As, etc.) you just pressed, simply press the correct operator key. In this case, the operator of the last key you press is used, but the operation retains the order of precedence of the operation for the first key you pressed. kOverflow or Error Check The following conditions make further calculation impossible. a. When a result (whether intermediate or final) or a total accumulated in memor y is greater than ±9.999999999 ҂ 1099. ("-E-" indicator appears on the display.) b. When function calculations are performed using a value that exceeds the input range. ("-E-" indicator appears on the display.) c. When an illogical operation (such as an attempt to calculate o and σn while n ҃ 0) is performed during statistical calculations. ("-E-" indicator appears on the display.) d. When an illegal mathematical operation (such as division by zero) is performed. ("-E-" indicator appears on display.) e. The total number of nested parentheses levels exceeds six, or when more than 18 pairs of parentheses are used. ("- 1-" indicator appears on the display.) • To clear any of the above conditions, press t and perform the calculation from the beginning. - 26 -

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— 26 —
•
In a series of calculations, press
k
while an intermediate
result is displayed to clear only the last calculation per-
formed.
•
To change the operator key (
+
,
,
,
-
,
\
,
w
,
As
,
etc.) you just pressed, simply press the correct operator
key. In this case, the operator of the last key you press is
used, but the operation retains the order of precedence of
the operation for the first key you pressed.
k
Overflow or Error Check
The following conditions make further calculation impossi-
ble.
a. When a result (whether intermediate or final) or a
total accumulated in memory is greater than
±9.999999999
³
10
99
. (“–E–”
indicator appears on the
display.)
b.
When function calculations are performed using a value
that exceeds the input range. (“–E–”
indicator appears
on the display.)
c.
When an illogical operation (such as an attempt to calcu-
late
o
and
σ
n
while
n
µ
0) is performed during statistical
calculations. (“–E–”
indicator appears on the display.)
d.
When an illegal mathematical operation (such as division
by zero) is performed.
(“–E–” indicator appears on dis-
play.)
e.
The total number of nested parentheses levels exceeds
six, or when more than 18 pairs of parentheses are used.
(“–
1
–” indicator appears on the display.)
•
To clear any of the above conditions, press
t
and per-
form the calculation from the beginning.