<s>
sc	B-Device
is	O
a	O
cross-platform	B-Operating_System
,	O
free	B-Application
,	O
TUI	B-Application
,	O
spreadsheet	B-Application
and	O
calculator	O
application	O
that	O
runs	O
on	O
Unix	B-Application
and	O
Unix-like	B-Operating_System
operating	I-Operating_System
systems	I-Operating_System
.	O
</s>
<s>
It	O
can	O
be	O
accessed	O
through	O
a	O
terminal	B-Application
emulator	I-Application
,	O
and	O
has	O
a	O
simple	O
interface	O
and	O
keyboard	O
shortcuts	O
resembling	O
the	O
key	O
bindings	O
of	O
the	O
Vim	B-Application
text	B-Application
editor	I-Application
.	O
</s>
<s>
It	O
can	O
be	O
used	O
in	O
a	O
similar	O
manner	O
to	O
other	O
spreadsheet	B-Application
programs	I-Application
,	O
e.g.	O
</s>
<s>
The	O
program	O
is	O
based	O
on	O
the	O
ncurses	B-Language
interface	O
library	O
,	O
and	O
has	O
a	O
rich	O
manual	B-Protocol
page	I-Protocol
describing	O
its	O
options	O
and	O
configuration	O
.	O
</s>
<s>
sc	B-Device
is	O
already	O
present	O
in	O
the	O
default	O
repositories	O
of	O
popular	O
Linux	B-Application
distributions	I-Application
such	O
as	O
Ubuntu	B-Operating_System
,	O
Fedora	O
,	O
and	O
Arch	O
Linux	B-Application
.	O
</s>
