0
1
2
3
4
5
6
7
8
9
M
=
-
<
C
÷
+
×
^
!
√
log
.
0
M
e
π
ln
C
=
^
W
¡
!
sin
cos
tg
ctg
0
0
i
M
7
4
1
0
R
8
5
2
C
9
6
3
.
|z|
^
+
-
=
log
⚫
×
÷
sin
cos
tg
ctg
M
Accuracy at the next calculation: Lesser Number - Faster Calculation
10