DEG
RAD
0
2nd
sin
sin
-1
cos
cos
-1
tan
tan
-1
x^y
e
x
log
10
x
ln
x!
√
∛
π
e
(
)
7
8
9
%
4
5
6
1
2
3
AC
0
.
1/x
÷
×
-
+
=