<s>
The	O
TI-54	B-Device
was	O
a	O
scientific	O
calculator	O
produced	O
by	O
Texas	O
Instruments	O
,	O
primarily	O
marketed	O
towards	O
engineers	O
and	O
science	O
professionals	O
.	O
</s>
<s>
The	O
TI-54	B-Device
touted	O
features	O
such	O
as	O
"	O
built	O
in	O
algebraic	O
functions	O
for	O
both	O
real	O
and	O
complex	O
numbers	O
"	O
,	O
"	O
hyperbolic	O
and	O
trig	O
functions	O
for	O
real	O
numbers	O
"	O
,	O
and	O
conversion	O
functions	O
such	O
as	O
polar	O
to	O
rectangular	O
,	O
and	O
degrees/minutes/seconds	O
to	O
decimal	B-General_Concept
degrees	I-General_Concept
.	O
</s>
