trig
f
2nd
sin
cos
tg
ctg
x^
lg
ln
(
)
√x
AC
⌫
%
/
x!
7
8
9
*
1/x
4
5
6
-
π
1
2
3
+
e
0
.
=
AC
⌫
%
/
7
8
9
*
4
5
6
-
1
2
3
+
0
.
=