<s>
Nu	B-Application
is	O
an	O
interpreted	O
object-oriented	B-Language
programming	I-Language
language	I-Language
,	O
with	O
a	O
Lisp-like	O
syntax	O
,	O
created	O
by	O
Tim	O
Burks	O
as	O
an	O
alternative	O
scripting	O
language	O
to	O
program	O
OS	B-Operating_System
X	I-Operating_System
through	O
its	O
Cocoa	B-Operating_System
application	B-Application
programming	I-Application
interface	I-Application
(	O
API	B-Application
)	O
.	O
</s>
<s>
Implementations	O
also	O
exist	O
for	O
iPhone	B-Device
and	O
Linux	B-Application
.	O
</s>
<s>
This	O
Nu	B-Application
code	O
defines	O
a	O
simple	O
complex	O
numbers	O
class	O
.	O
</s>
<s>
It	O
shows	O
the	O
similarity	O
between	O
the	O
code	O
in	O
Nu	B-Application
and	O
the	O
equivalent	O
in	O
Objective-C	B-Language
;	O
it	O
also	O
shows	O
the	O
similarity	O
with	O
Ruby	B-Language
.	O
</s>
<s>
This	O
sample	O
,	O
from	O
the	O
nuke	O
tool	O
bundled	O
with	O
Nu	B-Application
,	O
also	O
shows	O
the	O
influence	O
of	O
Objective-C	B-Language
,	O
Lisp	B-Language
,	O
and	O
Ruby	B-Language
in	O
the	O
design	O
of	O
the	O
language	O
.	O
</s>
