<s>
The	O
HP-34C	B-Device
continuous	B-Device
memory	I-Device
calculator	O
was	O
an	O
advanced	O
scientific	O
programmable	B-Application
calculator	I-Application
of	O
the	O
HP	B-Device
30	I-Device
series	I-Device
.	O
</s>
<s>
Significant	O
to	O
the	O
HP-34C	B-Device
calculator	O
was	O
the	O
capability	O
for	O
integration	O
and	O
root-finding	O
(	O
a	O
first	O
for	O
any	O
pocket	O
calculator	O
)	O
.	O
</s>
<s>
The	O
HP-34C	B-Device
shipped	O
with	O
an	O
"	O
applications	O
"	O
manual	O
that	O
included	O
two	O
games	O
(	O
Moon	O
Rocket	O
Lander	O
and	O
Nimb	O
)	O
.	O
</s>
<s>
A	O
game	O
of	O
blackjack	B-Application
was	O
easily	O
programmable	O
by	O
converting	O
some	O
of	O
the	O
registers	O
to	O
lines	O
of	O
program	O
.	O
</s>
<s>
The	O
calculator	O
was	O
superseded	O
,	O
in	O
1982	O
,	O
by	O
the	O
HP-15C	B-Device
.	O
</s>
<s>
Although	O
it	O
is	O
argued	O
the	O
HP-41C	B-Device
(	O
introduced	O
late	O
1979	O
and	O
only	O
a	O
matter	O
of	O
months	O
after	O
the	O
HP-34C	B-Device
)	O
was	O
a	O
replacement	O
for	O
the	O
HP-34C	B-Device
,	O
they	O
were	O
in	O
fact	O
differentiated	O
as	O
much	O
by	O
price	O
(	O
the	O
HP-34C	B-Device
being	O
50%	O
that	O
of	O
the	O
HP-41C	B-Device
)	O
as	O
by	O
functionality	O
and	O
performance	O
(	O
the	O
HP-41C	B-Device
being	O
the	O
first	O
HP	O
LCD-based	O
and	O
module-expandable	O
calculator	O
,	O
with	O
its	O
standard	O
functionality	O
lacking	O
the	O
root-finding	O
and	O
integration	O
capabilities	O
as	O
well	O
as	O
the	O
gamma-function	O
implementation	O
of	O
the	O
HP-34C	B-Device
though	O
)	O
.	O
</s>
<s>
This	O
price	O
difference	O
allowed	O
those	O
with	O
economic	O
constraints	O
to	O
still	O
buy	O
a	O
high-end	O
HP	O
(	O
HP-34C	B-Device
)	O
scientific	O
programmable	O
within	O
a	O
reasonable	O
cost	O
.	O
</s>
<s>
The	O
HP-34C	B-Device
came	O
in	O
a	O
number	O
of	O
variants	O
,	O
such	O
as	O
plastic	O
-	O
and	O
metal-keyboard	O
versions	O
and	O
those	O
with	O
soldered	O
(	O
later	O
1983	O
variants	O
)	O
vs	O
pressure-mounted	O
circuitry	O
(	O
earlier	O
variants	O
1979	O
–	O
1983	O
)	O
.	O
</s>
