(
(
)
)
|
|
[
[
]
]
√
√
Clear
Clear
7
7
8
8
9
9
×
×
^
^
∞
∞
4
4
5
5
6
6
+
+
π
π
Eval
Eval
1
2
2
3
3
-
-
=
=
≈
≈
,
,
0
0
.
.
÷
÷