(
)
mc
m+
m-
mr
AC
±
%
÷
x!
x
2
x
3
x
y
e
x
10
x
7
8
9
×
1/x
2
√x
3
√x
y
√x
ln
log
10
4
5
6
-
2
nd
sin
cos
tan
π
e
1
2
3
+
Rad
sinh
cosh
tanh
EE
Rand
0
,
=