Texas Instruments
GALAXY 40x
SIN
-1
COS
-1
TAN
-1
DR>
>DMS
P>R
R>P
<OP1
<OP2
x!
y
x
x
√y
LOG
10
x
EXC
%
DIV
LN
e
x
<EE
Σ+
FRQ
Σ-
x
σ
n
Σx
Σx
2
CSR
FIX
OFF