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Key Operation
q
q
q
q
q
q
Pressing
reviews the calculation starting at the first step whilst
q
scrolls by one step while holding down either of the keys scrolls through the steps. "REV", as shown in
p
the above table, is the review indicator.
EdITIng THE C alCulaTIOn
The following example shows how to change the calculation from: (20 + 10 - 5) x 2 ÷ 5 = 10
To: (20 - 5 - 5) x 3 ÷ 5 =
Key Operation
q
q
[EDIT]
[-][5]
q
q
[3]
6
Display
01
20.
REV
02
10.
REV
+
03
5.
REV
.
04
2.
REV
x
05
5.
REV
÷
06
10.
REV
=
Display
01
20.
REV
02
10.
REV
+
02
10.
CRT
+
02
5.
CRT
-
03
5.
CRT
-
04
2.
CRT
x
04
3.
CRT
x
starts at the last step. Pressing
p
or
q
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