Texas Instruments   GALAXY 40x
SIN-1
COS-1
TAN-1
DR>
>DMS
P>R


R>P
<OP1
<OP2


x!
yx
x√y
LOG
10x
EXC
%
DIV
LN
ex
<EE


Σ+
FRQ
Σ-
x
σ
n
Σx
Σx2
CSR

FIX

OFF