Ac
7
8
9
4
5
6
1
2
3
0
.
2
nd
π
e
C
X
2
1
/
x
|x|
exp
mod
√x
(
)
n!
x
y
7
8
9
10
x
4
5
6
log
1
2
3
In
+
/
-
0
.