•
Parentheses can be used unless pending calculations exceed 4.
However, parenthesas can be continuously usad up to 15 times.
Ex.
Parentheses,
if
continued, can be used up to
15.
1
X
(((2
-
3
X
(((4
+
5)
X
6)
.;.
7
I
End of Supplementary 1
4.
Memory Calculations
The independently accessible memory is indicated by the three keys
:
B
~
,
~
Before starting a calculation clear the memory by pressing
~
and
B
-
Kev in
:
12
[±]
5
§
~
Answer
:
17
To subtract key in
:
2
[±]
5
§
~
~
Answer to this equation
:
-
7
Key
i
n
~
to recali memory
:
Display: 10
19