<s>
A♯	B-Language
(	O
pronounced	O
:	O
A	B-Language
sharp	I-Language
)	O
is	O
an	O
object-oriented	B-Language
functional	B-Language
programming	I-Language
language	I-Language
distributed	O
as	O
a	O
separable	O
component	O
of	O
Version	O
2	O
of	O
the	O
Axiom	B-Language
computer	I-Language
algebra	I-Language
system	I-Language
.	O
</s>
<s>
A#	O
types	O
and	O
functions	O
are	O
first-class	O
values	O
and	O
can	O
be	O
used	O
freely	O
together	O
with	O
an	O
extensive	O
library	O
of	O
data	B-General_Concept
structures	I-General_Concept
and	O
other	O
mathematical	O
abstractions	O
.	O
</s>
<s>
A	O
key	O
design	O
guideline	O
for	O
A#	O
was	O
suitability	O
of	O
compiling	O
to	O
portable	O
and	O
efficient	O
machine	B-Language
code	I-Language
.	O
</s>
<s>
It	O
is	O
distributed	O
as	O
free	B-License
and	I-License
open-source	I-License
software	I-License
under	O
a	O
BSD-like	O
license	O
.	O
</s>
<s>
Development	O
of	O
A#	O
has	O
now	O
changed	O
to	O
the	O
programming	O
language	O
Aldor	B-Language
.	O
</s>
<s>
A#	O
has	O
both	O
an	O
optimising	B-Application
compiler	I-Application
,	O
and	O
an	O
intermediate	O
code	O
interpreter	O
.	O
</s>
<s>
The	O
following	O
C	B-Language
compilers	O
are	O
supported	O
:	O
GNU	B-Application
Compiler	I-Application
Collection	I-Application
(	O
GCC	B-Application
)	O
,	O
Xlc	O
,	O
Oracle	B-Application
Developer	I-Application
Studio	I-Application
,	O
Borland	O
,	O
Metaware	O
,	O
and	O
MIPS	O
C	B-Language
.	O
</s>
