<s>
SymPy	B-Application
is	O
an	O
open-source	B-License
Python	B-Language
library	B-Library
for	O
symbolic	B-Algorithm
computation	I-Algorithm
.	O
</s>
<s>
It	O
provides	O
computer	B-Algorithm
algebra	I-Algorithm
capabilities	O
either	O
as	O
a	O
standalone	O
application	O
,	O
as	O
a	O
library	B-Library
to	O
other	O
applications	O
,	O
or	O
live	O
on	O
the	O
web	O
as	O
SymPy	B-Application
Live	O
or	O
SymPy	B-Application
Gamma	O
.	O
</s>
<s>
SymPy	B-Application
is	O
simple	O
to	O
install	O
and	O
to	O
inspect	O
because	O
it	O
is	O
written	O
entirely	O
in	O
Python	B-Language
with	O
few	O
dependencies	O
.	O
</s>
<s>
This	O
ease	O
of	O
access	O
combined	O
with	O
a	O
simple	O
and	O
extensible	O
code	O
base	O
in	O
a	O
well	O
known	O
language	O
make	O
SymPy	B-Application
a	O
computer	B-General_Concept
algebra	I-General_Concept
system	I-General_Concept
with	O
a	O
relatively	O
low	O
barrier	O
to	O
entry	O
.	O
</s>
<s>
SymPy	B-Application
includes	O
features	O
ranging	O
from	O
basic	O
symbolic	O
arithmetic	O
to	O
calculus	O
,	O
algebra	O
,	O
discrete	O
mathematics	O
,	O
and	O
quantum	O
physics	O
.	O
</s>
<s>
It	O
is	O
capable	O
of	O
formatting	O
the	O
result	O
of	O
the	O
computations	O
as	O
LaTeX	B-Application
code	O
.	O
</s>
<s>
SymPy	B-Application
is	O
free	B-Application
software	I-Application
and	O
is	O
licensed	O
under	O
the	O
New	O
BSD	O
license	O
.	O
</s>
<s>
The	O
lead	O
developers	O
are	O
Ondřej	B-Application
Čertík	I-Application
and	O
Aaron	O
Meurer	O
.	O
</s>
<s>
It	O
was	O
started	O
in	O
2005	O
by	O
Ondřej	B-Application
Čertík	I-Application
.	O
</s>
<s>
The	O
SymPy	B-Application
library	B-Library
is	O
split	O
into	O
a	O
core	O
with	O
many	O
optional	O
modules	O
.	O
</s>
<s>
Currently	O
,	O
the	O
core	O
of	O
SymPy	B-Application
has	O
around	O
260,000	O
lines	O
of	O
code	O
(	O
it	O
also	O
includes	O
a	O
comprehensive	O
set	O
of	O
self-tests	O
:	O
over	O
100,000	O
lines	O
in	O
350	O
files	O
as	O
of	O
version	O
0.7.5	O
)	O
,	O
and	O
its	O
capabilities	O
include	O
:	O
</s>
<s>
Points	O
,	O
lines	O
,	O
rays	O
,	O
ellipses	O
,	O
circles	O
,	O
polygons	B-General_Concept
,	O
etc	O
.	O
</s>
<s>
Note	O
,	O
plotting	O
requires	O
the	O
external	O
Matplotlib	B-Language
or	O
Pyglet	B-Library
module	O
.	O
</s>
<s>
Permutation	B-Algorithm
group	I-Algorithm
:	O
Polyhedral	O
,	O
Rubik	O
,	O
Symmetric	B-Algorithm
,	O
etc	O
.	O
</s>
<s>
SymEngine	O
:	O
a	O
rewriting	O
of	O
SymPy	B-Application
's	O
core	O
in	O
C++	B-Language
,	O
in	O
order	O
to	O
increase	O
its	O
performance	O
.	O
</s>
<s>
Quameon	O
:	O
Quantum	O
Monte	O
Carlo	O
in	O
Python	B-Language
.	O
</s>
<s>
Lcapy	O
:	O
Experimental	O
Python	B-Language
package	O
for	O
teaching	O
linear	O
circuit	O
analysis	O
.	O
</s>
<s>
LaTeX	B-Application
Expression	O
project	O
:	O
Easy	O
LaTeX	B-Application
typesetting	I-Application
of	O
algebraic	O
expressions	O
in	O
symbolic	O
form	O
with	O
automatic	O
substitution	O
and	O
result	O
computation	O
.	O
</s>
<s>
Since	O
version	O
1.0	O
,	O
SymPy	B-Application
has	O
the	O
mpmath	O
package	O
as	O
a	O
dependency	O
.	O
</s>
<s>
:	O
If	O
is	O
installed	O
,	O
SymPy	B-Application
's	O
polynomial	O
module	O
will	O
automatically	O
use	O
it	O
for	O
faster	O
ground	O
types	O
.	O
</s>
<s>
matplotlib	B-Language
:	O
If	O
matplotlib	B-Language
is	O
installed	O
,	O
SymPy	B-Application
can	O
use	O
it	O
for	O
plotting	O
.	O
</s>
<s>
Pyglet	B-Library
:	O
Alternative	O
plotting	O
package	O
.	O
</s>
<s>
Sympy	B-Application
allows	O
outputs	O
to	O
be	O
formatted	O
into	O
a	O
more	O
appealing	O
format	O
through	O
the	O
pprint	O
function	O
.	O
</s>
<s>
Alternatively	O
,	O
the	O
init_printing( )	O
method	O
will	O
enable	O
pretty-printing	B-Application
,	O
so	O
pprint	O
need	O
not	O
be	O
called	O
.	O
</s>
<s>
Pretty-printing	B-Application
will	O
use	O
unicode	O
symbols	O
when	O
available	O
in	O
the	O
current	O
environment	O
,	O
otherwise	O
it	O
will	O
fall	O
back	O
to	O
ASCII	B-Protocol
characters	I-Protocol
.	O
</s>
