<s>
SuperCalc	B-Application
is	O
a	O
CP/M	B-Application
-80	I-Application
spreadsheet	B-Application
application	O
published	O
by	O
Sorcim	O
in	O
1980	O
.	O
</s>
<s>
VisiCalc	B-Application
was	O
the	O
first	O
spreadsheet	B-Application
program	I-Application
but	O
its	O
release	O
for	O
the	O
CP/M	B-Application
operating	I-Application
system	I-Application
ran	O
only	O
on	O
the	O
HP-125	O
,	O
Sharp	O
MZ80	O
,	O
and	O
the	O
Sony	O
SMC-70	O
.	O
</s>
<s>
SuperCalc	B-Application
was	O
created	O
to	O
fill	O
that	O
void	O
and	O
market	O
opportunity	O
.	O
</s>
<s>
Alongside	O
WordStar	B-Application
,	O
it	O
was	O
one	O
of	O
the	O
CP/M	B-Application
applications	O
bundled	O
with	O
the	O
Osborne	B-Device
1	I-Device
portable	B-Device
computer	I-Device
.	O
</s>
<s>
It	O
quickly	O
became	O
popular	O
and	O
was	O
ported	O
to	O
MS-DOS	B-Application
in	O
1982	O
.	O
</s>
<s>
An	O
improvement	O
over	O
VisiCalc	B-Application
(	O
though	O
using	O
much	O
the	O
same	O
command	O
structure	O
using	O
the	O
slash	O
key	O
)	O
,	O
SuperCalc	B-Application
was	O
one	O
of	O
the	O
first	O
spreadsheet	B-Application
programs	I-Application
capable	O
of	O
iteratively	O
solving	O
circular	O
references	O
(	O
cells	O
that	O
depend	O
on	O
each	O
other	O
's	O
results	O
)	O
.	O
</s>
<s>
It	O
would	O
be	O
over	O
10	O
years	O
after	O
the	O
introduction	O
of	O
SuperCalc	B-Application
before	O
this	O
feature	O
was	O
implemented	O
in	O
Microsoft	B-Application
Excel	I-Application
,	O
although	O
in	O
Lotus	B-Application
1-2-3	I-Application
,	O
manual	O
programming	O
of	O
iterative	O
logic	O
could	O
also	O
be	O
used	O
to	O
solve	O
this	O
issue	O
.	O
</s>
<s>
According	O
to	O
the	O
SuperCalc	B-Application
product	O
manager	O
,	O
iterative	O
calculations	O
were	O
added	O
when	O
Sorcim	O
changed	O
from	O
binary-coded	O
decimal	O
to	O
binary	O
math	O
.	O
</s>
<s>
Versions	O
of	O
SuperCalc	B-Application
were	O
later	O
released	O
for	O
the	O
Apple	B-Device
II	I-Device
,	O
for	O
PCs	O
running	O
MS-DOS	B-Application
,	O
and	O
,	O
after	O
Sorcim	O
was	O
bought	O
by	O
CA	O
Technologies	O
(	O
CA	O
)	O
in	O
1985	O
,	O
for	O
Microsoft	B-Application
Windows	I-Application
(	O
under	O
the	O
name	O
CA-SuperCalc	O
)	O
.	O
</s>
<s>
SuperCalc	B-Application
was	O
CA	O
Technologies	O
 '	O
first	O
personal	O
computer	O
product	O
.	O
</s>
<s>
The	O
MS-DOS	B-Application
versions	O
were	O
more	O
popular	O
with	O
many	O
users	O
than	O
the	O
market-leading	O
Lotus	B-Application
1-2-3	I-Application
,	O
because	O
it	O
was	O
distributed	O
without	O
copy	O
protection	O
,	O
as	O
well	O
as	O
being	O
priced	O
lower	O
.	O
</s>
<s>
New	O
versions	O
were	O
published	O
into	O
the	O
early	O
1990s	O
,	O
after	O
which	O
Microsoft	B-Application
Excel	I-Application
dominated	O
the	O
spreadsheet	B-Application
market	O
.	O
</s>
<s>
In	O
1993	O
,	O
the	O
Ministry	O
of	O
Railway	O
of	O
Russia	O
signed	O
an	O
agreement	O
with	O
CA	O
Technologies	O
after	O
a	O
Russian	O
employee	O
illegally	O
used	O
SuperCalc	B-Application
for	O
government	O
purposes	O
.	O
</s>
