<s>
The	O
FX-601P	O
and	O
FX-602P	O
were	O
programmable	B-Application
calculators	I-Application
,	O
manufactured	O
by	O
Casio	O
from	O
1981	O
.	O
</s>
<s>
It	O
was	O
the	O
successor	O
model	O
to	O
the	O
Casio	B-Device
FX-502P	I-Device
series	I-Device
and	O
was	O
itself	O
succeeded	O
in	O
1990	O
by	O
the	O
Casio	B-Device
FX-603P	I-Device
.	O
</s>
<s>
The	O
FX-601P	O
series	O
featured	O
a	O
single	O
line	O
dot	B-General_Concept
matrix	I-General_Concept
display	O
with	O
11	O
characters	O
as	O
main	O
display	O
.	O
</s>
<s>
The	O
FX-601P	O
and	O
FX-602P	O
supported	O
indirect	O
addressing	O
both	O
for	O
memory	O
access	O
and	O
jumps	O
and	O
therefore	O
programming	O
model	O
could	O
be	O
considered	O
Turing	B-Algorithm
complete	I-Algorithm
.	O
</s>
<s>
The	O
FX-601P	O
and	O
FX-602P	O
used	O
the	O
same	O
FA-1	B-Device
interface	O
as	O
used	O
by	O
the	O
FX-502P	B-Device
line	O
of	O
calculators	O
or	O
alternatively	O
the	O
newer	O
FA-2	B-Device
interface	O
which	O
was	O
also	O
used	O
by	O
Casio	B-Device
FX-702P	I-Device
.	O
</s>
<s>
Both	O
interfaces	O
featured	O
a	O
Kansas	B-Device
City	I-Device
standard	I-Device
Compact	B-Device
Cassette	I-Device
interface	O
.	O
</s>
<s>
The	O
FA-2	B-Device
Interface	O
was	O
used	O
the	O
FX-602P	O
series	O
of	O
programmable	B-Application
calculator	I-Application
and	O
the	O
FX-702P	B-Device
Pocket	B-Device
Computer	I-Device
to	O
store	O
programs	O
and	O
data	O
register	O
to	O
Compact	B-Device
Cassette	I-Device
.	O
</s>
<s>
When	O
compared	O
with	O
its	O
predecessor	O
the	O
Casio	B-Device
FA-1	I-Device
the	O
FA-2	B-Device
featured	O
an	O
additional	O
tape	O
control	O
output	O
and	O
connector	O
for	O
the	O
Casio	B-Device
FP-10	I-Device
printer	O
.	O
</s>
