<s>
Spreadsheet	B-Language
2000	I-Language
is	O
a	O
discontinued	O
spreadsheet	B-Application
program	I-Application
for	O
Apple	B-Device
Macintosh	I-Device
computers	I-Device
,	O
published	O
by	O
Casady	O
&	O
Greene	O
,	O
a	O
distributor	O
of	O
many	O
"	O
smaller	O
"	O
Mac	B-Device
releases	O
.	O
</s>
<s>
First	O
released	O
in	O
1993	O
as	O
Let	O
's	O
Keep	O
It	O
Simple	O
Spreadsheet	B-Application
,	O
officially	O
abbreviated	O
Let	O
's	O
KISS	O
,	O
the	O
product	O
was	O
renamed	O
Spreadsheet	B-Language
2000	I-Language
for	O
its	O
2.0	O
release	O
in	O
1997	O
.	O
</s>
<s>
Spreadsheet	B-Language
2000	I-Language
,	O
S2K	O
for	O
short	O
,	O
featured	O
a	O
unique	O
way	O
of	O
building	O
complex	O
spreadsheets	B-Application
from	O
a	O
number	O
of	O
simpler	O
ones	O
containing	O
only	O
input	O
or	O
output	O
data	O
.	O
</s>
<s>
This	O
contrasts	O
with	O
the	O
traditional	O
spreadsheet	B-Application
model	O
,	O
where	O
inputs	O
,	O
calculations	O
and	O
outputs	O
are	O
all	O
placed	O
into	O
a	O
single	O
sheet	O
and	O
cannot	O
be	O
easily	O
differentiated	O
.	O
</s>
<s>
For	O
instance	O
,	O
if	O
one	O
wants	O
to	O
add	O
two	O
columns	O
of	O
three	O
numbers	O
,	O
under	O
a	O
normal	O
spreadsheet	B-Application
one	O
would	O
type	O
the	O
two	O
sets	O
of	O
values	O
into	O
columns	O
,	O
say	O
and	O
,	O
and	O
then	O
into	O
type	O
the	O
formula	O
=	O
A1+B1	O
,	O
which	O
would	O
appear	O
on-screen	O
as	O
the	O
results	O
.	O
</s>
<s>
The	O
whole	O
idea	O
of	O
S2K	O
was	O
to	O
simplify	O
the	O
construction	O
of	O
simple	O
spreadsheets	B-Application
.	O
</s>
<s>
While	O
it	O
met	O
that	O
goal	O
,	O
the	O
same	O
features	O
made	O
more	O
complex	O
spreadsheets	B-Application
difficult	O
to	O
work	O
with	O
.	O
</s>
<s>
S2K	O
was	O
written	O
entirely	O
in	O
Prograph	B-Language
.	O
</s>
