<s>
The	O
HP-32S	O
was	O
a	O
programmable	O
RPN	O
Scientific	O
Calculator	B-Application
introduced	O
by	O
Hewlett-Packard	O
in	O
1988	O
and	O
discontinued	O
in	O
1991	O
.	O
</s>
<s>
It	O
continued	O
the	O
tradition	O
of	O
the	O
HP-15C	B-Device
programmable	O
RPN	O
Scientific	O
Calculator	B-Application
.	O
</s>
<s>
But	O
some	O
functions	O
of	O
the	O
HP-15C	B-Device
were	O
omitted	O
(	O
matrix	O
calculations	O
)	O
and	O
some	O
were	O
reduced	O
in	O
functionality	O
(	O
complex	O
calculations	O
)	O
,	O
so	O
to	O
some	O
extent	O
it	O
is	O
more	O
correct	O
to	O
say	O
that	O
the	O
HP-32S	O
expanded	O
upon	O
the	O
HP-34C	B-Device
.	O
</s>
<s>
The	O
HP-32SII	B-Device
added	O
algebraic	O
math	O
,	O
fractions	O
and	O
a	O
second	O
shift	O
key	O
.	O
</s>
