0
MC
MR
M+
M-
MOD
deg
sin
cos
tan
ctg
x
y
lg
In
(
)
x
2
C
⇐
%
÷
x
-1
7
8
9
×
√x
4
5
6
-
x!
1
2
3
+
∏
е
0
,
=