<s>
SNAP	B-Language
,	O
short	O
for	O
Stylized	O
,	O
Natural	O
,	O
Procedural	O
,	O
is	O
an	O
educational	B-Language
programming	I-Language
language	I-Language
designed	O
by	O
Michael	O
Barnett	O
while	O
working	O
at	O
RCA	O
in	O
1968	O
and	O
later	O
used	O
at	O
Columbia	O
University	O
to	O
teach	O
programming	O
in	O
the	O
humanities	O
.	O
</s>
<s>
It	O
is	O
an	O
imperative	B-Application
programming	I-Application
language	I-Application
,	O
like	O
many	O
languages	O
of	O
the	O
1960s	O
,	O
but	O
was	O
deliberately	O
verbose	O
,	O
attempting	O
to	O
look	O
more	O
like	O
conversational	O
English	O
in	O
the	O
fashion	O
of	O
HyperText	O
and	O
later	O
languages	O
.	O
</s>
<s>
Unlike	O
other	O
educational	O
languages	O
of	O
the	O
era	O
,	O
SNAP	B-Language
was	O
not	O
intended	O
to	O
be	O
interactive	O
and	O
was	O
designed	O
to	O
be	O
programmed	O
via	O
punch	B-Architecture
cards	I-Architecture
.	O
</s>
<s>
In	O
1964	O
and	O
1965	O
,	O
Barnett	O
developed	O
a	O
page	O
description	O
language	O
known	O
as	O
PAGE-1	O
to	O
write	O
programs	O
that	O
resulted	O
in	O
Videocomp	O
output	O
,	O
similar	O
to	O
the	O
way	O
the	O
later	O
PostScript	B-Language
language	I-Language
produces	O
pages	O
on	O
laser	O
printers	O
.	O
</s>
<s>
One	O
of	O
the	O
early	O
applications	O
of	O
this	O
system	O
was	O
to	O
publish	O
Social	O
Sciences	O
Index	O
by	O
the	B-Architecture
H	I-Architecture
.	I-Architecture
W	I-Architecture
.	I-Architecture
Wilson	I-Architecture
Company	I-Architecture
.	O
</s>
<s>
The	O
first	O
version	O
of	O
SNAP	B-Language
was	O
written	O
by	O
William	O
Ruhsam	O
of	O
RCA	O
in	O
FORTRAN	B-Application
IV	O
for	O
the	O
RCA	B-Device
Spectra	I-Device
70	I-Device
,	O
although	O
a	O
version	O
for	O
the	O
IBM	B-Application
360	I-Application
in	O
OS-360	B-Application
was	O
also	O
produced	O
.	O
</s>
<s>
SNAP	B-Language
allowed	O
multiple	O
statements	O
to	O
be	O
placed	O
on	O
a	O
single	O
line	O
,	O
and	O
used	O
the	O
period	O
as	O
the	O
statement	O
separator	O
.	O
</s>
<s>
SNAP	B-Language
did	O
not	O
use	O
line	O
numbers	O
for	O
editing	O
,	O
and	O
instead	O
used	O
in-code	O
labels	O
for	O
branch	O
targets	O
,	O
as	O
was	O
the	O
case	O
in	O
FORTRAN	B-Application
.	O
</s>
<s>
In	O
SNAP	B-Language
,	O
a	O
label	O
could	O
be	O
placed	O
anywhere	O
in	O
the	O
code	O
by	O
surrounding	O
the	O
textual	O
name	O
in	O
parenthesis	O
like	O
.	O
</s>
<s>
SNAP	B-Language
also	O
offered	O
array-like	O
collections	O
known	O
as	O
"	O
lists	O
"	O
.	O
</s>
<s>
An	O
important	O
point	O
of	O
the	O
SNAP	B-Language
system	O
is	O
that	O
the	O
statement	O
is	O
not	O
static	O
;	O
it	O
does	O
not	O
define	O
KEY	O
as	O
the	O
character	O
at	O
location	O
J	O
when	O
it	O
is	O
encountered	O
in	O
the	O
code	O
,	O
but	O
when	O
any	O
following	O
code	O
accesses	O
KEY	O
.	O
</s>
<s>
In	O
this	O
fashion	O
,	O
has	O
more	O
in	O
common	O
with	O
the	O
BASIC	B-Language
programming	I-Language
language	I-Language
's	O
user-defined	B-Language
functions	I-Language
than	O
it	O
does	O
with	O
the	O
statement	O
,	O
which	O
is	O
static	O
.	O
</s>
<s>
Unconditional	B-General_Concept
branches	I-General_Concept
were	O
called	O
using	O
,	O
for	O
instance	O
,	O
There	O
was	O
also	O
the	O
alternative	O
form	O
.	O
</s>
<s>
Conditional	B-General_Concept
branches	I-General_Concept
used	O
an	O
if	O
–	O
then( 	O
–	O
else	O
)	O
structure	O
:	O
</s>
<s>
SNAP	B-Language
included	O
a	O
number	O
of	O
other	O
keywords	O
that	O
had	O
no	O
behaviour	O
of	O
their	O
own	O
that	O
were	O
added	O
simply	O
for	O
syntactic	O
sugar	O
.	O
</s>
<s>
Input/output	B-General_Concept
related	O
:	O
</s>
<s>
Here	O
is	O
the	O
largest	O
example	O
of	O
a	O
practical	O
program	O
given	O
in	O
SNAP	B-Language
,	O
which	O
reads	O
strings	O
from	O
cards	O
and	O
then	O
prints	O
out	O
the	O
individual	O
words	O
found	O
in	O
them	O
:	O
</s>
