Z:
0
Y:
0
0
SIN
COS
TAN
LOG
LN
√
x
2
1/x
e
x
10
x
CHS
ENTER
CLX
CLR
R↓
7
8
9
÷
π
4
5
6
×
x↔y
1
2
3
-
LAST X
0
.
EE
+
RCL