<s>
Braille	B-Protocol
ASCII	I-Protocol
(	O
or	O
more	O
formally	O
The	O
North	O
American	O
Braille	B-Protocol
ASCII	I-Protocol
Code	O
,	O
also	O
known	O
as	O
SimBraille	B-Protocol
)	O
is	O
a	O
subset	O
of	O
the	O
ASCII	B-Protocol
character	I-Protocol
set	I-Protocol
which	O
uses	O
64	O
of	O
the	O
printable	O
ASCII	B-Protocol
characters	I-Protocol
to	O
represent	O
all	O
possible	O
dot	O
combinations	O
in	O
six-dot	O
braille	O
.	O
</s>
<s>
It	O
was	O
developed	O
around	O
1969	O
and	O
,	O
despite	O
originally	O
being	O
known	O
as	O
North	O
American	O
Braille	B-Protocol
ASCII	I-Protocol
,	O
it	O
is	O
now	O
used	O
internationally	O
.	O
</s>
<s>
Braille	B-Protocol
ASCII	I-Protocol
uses	O
the	O
64	O
ASCII	B-Protocol
characters	I-Protocol
between	O
32	O
and	O
95	O
inclusive	O
.	O
</s>
<s>
All	O
capital	O
letters	O
in	O
ASCII	B-Protocol
correspond	O
to	O
their	O
equivalent	O
values	O
in	O
uncontracted	O
English	O
Braille	O
.	O
</s>
<s>
The	O
numbers	O
1	O
through	O
9	O
and	O
0	O
correspond	O
to	O
the	O
letters	O
a	O
through	O
j	B-Language
,	O
except	O
that	O
they	O
are	O
lowered	O
or	O
shifted	O
lower	O
in	O
the	O
Braille	O
cell	O
.	O
</s>
<s>
For	O
example	O
,	O
represents	O
c	B-Language
,	O
and	O
is	O
3	O
.	O
</s>
<s>
For	O
example	O
,	O
represents	O
/	O
in	O
Braille	B-Protocol
ASCII	I-Protocol
,	O
and	O
this	O
is	O
the	O
Braille	O
slash	O
,	O
but	O
represents	O
=	O
,	O
and	O
this	O
is	O
not	O
the	O
equals	O
sign	O
in	O
Braille	O
.	O
</s>
<s>
Braille	B-Protocol
ASCII	I-Protocol
more	O
closely	O
corresponds	O
to	O
the	O
Nemeth	O
Braille	O
Code	O
for	O
mathematics	O
than	O
it	O
does	O
to	O
the	O
English	O
Literary	O
Braille	O
Code	O
,	O
as	O
the	O
Nemeth	O
Braille	O
code	O
is	O
what	O
it	O
was	O
originally	O
based	O
upon	O
.	O
</s>
<s>
If	O
Braille	B-Protocol
ASCII	I-Protocol
is	O
viewed	O
in	O
a	O
word	B-General_Concept
processor	I-General_Concept
,	O
it	O
will	O
look	O
like	O
a	O
jumbled	O
mix	O
of	O
letters	O
,	O
numbers	O
,	O
and	O
punctuation	O
.	O
</s>
<s>
However	O
,	O
there	O
are	O
several	O
fonts	O
available	O
,	O
many	O
of	O
them	O
free	O
,	O
which	O
allow	O
the	O
user	O
to	O
view	O
and	O
print	O
Braille	B-Protocol
ASCII	I-Protocol
as	O
simulated	O
braille	O
,	O
i.e.	O
</s>
<s>
Braille	B-Protocol
ASCII	I-Protocol
was	O
originally	O
designed	O
to	O
be	O
a	O
means	O
for	O
storing	O
and	O
transmitting	O
six-dot	O
Braille	O
in	O
a	O
digital	O
format	O
,	O
and	O
this	O
continues	O
to	O
be	O
its	O
primary	O
usage	O
today	O
.	O
</s>
<s>
Because	O
it	O
uses	O
standard	O
characters	O
available	O
on	O
computer	B-Device
keyboards	I-Device
,	O
it	O
can	O
be	O
easily	O
typed	O
and	O
edited	O
with	O
a	O
standard	O
word	B-General_Concept
processor	I-General_Concept
.	O
</s>
<s>
Many	O
Braille	O
embossers	O
receive	O
their	O
input	O
in	O
Braille	B-Protocol
ASCII	I-Protocol
,	O
and	O
nearly	O
all	O
Braille	O
translation	O
software	O
can	O
import	O
and	O
export	O
this	O
format	O
.	O
</s>
<s>
BRF	O
is	O
a	O
file	O
that	O
can	O
represent	O
contracted	O
or	O
uncontracted	O
(	O
i.e.	O
</s>
<s>
BRF	O
files	O
contain	O
plain	O
Braille	B-Protocol
ASCII	I-Protocol
plus	O
spaces	O
,	O
Carriage	O
Return	O
,	O
Line	O
Feed	O
,	O
and	O
Form	O
Feed	O
ASCII	B-Protocol
control	O
characters	O
.	O
</s>
<s>
If	O
a	O
SimBraille	B-Protocol
font	O
is	O
downloaded	O
and	O
installed	O
a	O
BRF	O
file	O
can	O
be	O
opened	O
in	O
WordPad	B-Application
,	O
Apache	B-Application
Open	I-Application
Office	I-Application
,	O
Microsoft	B-Application
Word	I-Application
,	O
Apple	B-Application
Pages	I-Application
,	O
etc.	O
,	O
and	O
the	O
Braille	O
will	O
appear	O
correctly	O
rendered	O
as	O
2	O
dimensional	O
,	O
non-tactile	O
,	O
visual	O
6	O
dot	O
braille	O
characters	O
when	O
the	O
font	O
is	O
set	O
to	O
SimBraille	B-Protocol
.	O
</s>
<s>
Unicode	O
includes	O
a	O
means	O
for	O
encoding	O
eight-dot	O
braille	O
;	O
however	O
,	O
Braille	B-Protocol
ASCII	I-Protocol
continues	O
to	O
be	O
the	O
preferred	O
format	O
for	O
encoding	O
six-dot	O
braille	O
.	O
</s>
<s>
The	O
following	O
table	O
shows	O
the	O
arrangement	O
of	O
characters	O
,	O
with	O
the	O
hexadecimal	O
value	O
,	O
corresponding	O
ASCII	B-Protocol
character	I-Protocol
,	O
binary	O
notation	O
matching	O
the	O
,	O
Braille	O
Unicode	O
glyph	O
,	O
and	O
general	O
meaning	O
(	O
the	O
actual	O
meaning	O
may	O
change	O
depending	O
on	O
context	O
)	O
.	O
</s>
<s>
The	O
following	O
C	B-Language
string	B-Language
literal	I-Language
(	O
which	O
can	O
also	O
be	O
used	O
in	O
Python	B-Language
and	O
other	O
programming	O
languages	O
that	O
accept	O
C	B-Language
string	B-Language
literals	I-Language
)	O
is	O
derived	O
from	O
the	O
above	O
table	O
and	O
gives	O
the	O
Braille	B-Protocol
ASCII	I-Protocol
mappings	O
for	O
Unicode	O
Braille	O
characters	O
U+2800	O
through	O
U+283F	O
in	O
order	O
,	O
starting	O
with	O
U+2800	O
at	O
the	O
start	O
of	O
the	O
string	O
:	O
</s>
<s>
Only	O
64	O
characters	O
are	O
needed	O
to	O
represent	O
all	O
possible	O
combinations	O
of	O
6-dot	O
braille	O
(	O
including	O
space	O
)	O
,	O
so	O
not	O
all	O
ASCII	B-Protocol
values	I-Protocol
are	O
needed	O
for	O
Braille	B-Protocol
ASCII	I-Protocol
.	O
</s>
<s>
The	O
lower-case	O
letters	O
(	O
a	O
to	O
z	B-Language
)	O
are	O
not	O
normally	O
used	O
,	O
but	O
might	O
be	O
interpreted	O
as	O
having	O
the	O
same	O
dot	O
patterns	O
as	O
their	O
upper-case	O
equivalents	O
.	O
</s>
<s>
`	O
,	O
{	O
,	O
|	O
,	O
and	O
}	O
are	O
not	O
used	O
and	O
their	O
Braille	B-Protocol
ASCII	I-Protocol
rendition	O
is	O
not	O
defined	O
.	O
</s>
<s>
Braille	B-Protocol
ASCII	I-Protocol
is	O
merely	O
a	O
subset	O
of	O
the	O
ASCII	B-Protocol
table	O
that	O
can	O
be	O
used	O
to	O
represent	O
all	O
possible	O
combinations	O
of	O
6-dot	O
braille	O
.	O
</s>
<s>
It	O
is	O
not	O
to	O
be	O
confused	O
with	O
the	O
Computer	O
Braille	O
Code	O
,	O
which	O
can	O
represent	O
all	O
ASCII	B-Protocol
values	I-Protocol
in	O
braille	O
.	O
</s>
