AC
MC
MR
M+
atan(𝒙)
√𝒙
1/√𝒙
1/x
/
abs
d
e
f
×
base2
a
b
c
-
base8
7
8
9
+
base10
4
5
6
base16
1
2
3
=
bits
1000
0
.