<s>
Qoca	B-Language
is	O
a	O
GPL	B-License
library	O
for	O
incrementally	O
solving	O
systems	O
of	O
linear	B-Algorithm
equations	I-Algorithm
with	O
various	O
goal	O
functions	O
.	O
</s>
<s>
It	O
contains	O
a	O
robust	O
implementation	O
of	O
Cassowary	B-Application
,	O
a	O
popular	O
linear	B-Algorithm
programming	I-Algorithm
algorithm	O
for	O
handling	O
Manhattan	O
goal	O
functions	O
.	O
</s>
<s>
It	O
is	O
available	O
in	O
a	O
C++	B-Language
or	O
a	O
Java	B-Language
version	O
,	O
and	O
provides	O
language	O
bindings	O
for	O
Python	B-Language
and	O
Perl	B-Language
.	O
</s>
