AC
(
)
÷
π
7
8
9
×
e
4
5
6
-
x
2
1
2
3
+
√
0
.
=
AC
ln
log
!
sin
7
8
9
sin
-1
cos
4
5
6
cos
-1
tan
1
2
3
tan
-1
Rad
0
.
=