0
DEG
2nd
AC
DEL
MC
MR
M+
M−
sin
cos
tan
log
ln
sin⁻¹
cos⁻¹
tan⁻¹
√
∛
x²
x³
xʸ
x!
π
e
%
1/x
|x|
±
7
8
9
÷
⌊x⌋
4
5
6
×
⌈x⌉
1
2
3
−
eˣ
0
.
+
=