<s>
Maxima	B-Language
(	O
)	O
is	O
a	O
computer	B-General_Concept
algebra	I-General_Concept
system	I-General_Concept
(	O
CAS	O
)	O
based	O
on	O
a	O
1982	O
version	O
of	O
Macsyma	B-Language
.	O
</s>
<s>
It	O
is	O
written	O
in	O
Common	B-Language
Lisp	I-Language
and	O
runs	O
on	O
all	O
POSIX	O
platforms	O
such	O
as	O
macOS	B-Application
,	O
Unix	B-Application
,	O
BSD	B-Operating_System
,	O
and	O
Linux	B-Application
,	O
as	O
well	O
as	O
under	O
Microsoft	B-Application
Windows	I-Application
and	O
Android	B-Application
.	O
</s>
<s>
It	O
is	O
free	B-Application
software	I-Application
released	O
under	O
the	O
terms	O
of	O
the	O
GNU	B-License
General	I-License
Public	I-License
License	I-License
(	O
GPL	B-License
)	O
.	O
</s>
<s>
Maxima	B-Language
is	O
based	O
on	O
a	O
1982	O
version	O
of	O
Macsyma	B-Language
,	O
which	O
was	O
developed	O
at	O
MIT	O
with	O
funding	O
from	O
the	O
United	O
States	O
Department	O
of	O
Energy	O
and	O
other	O
government	O
agencies	O
.	O
</s>
<s>
A	O
version	O
of	O
Macsyma	B-Language
was	O
maintained	O
by	O
Bill	O
Schelter	O
from	O
1982	O
until	O
his	O
death	O
in	O
2001	O
.	O
</s>
<s>
In	O
1998	O
,	O
Schelter	O
obtained	O
permission	O
from	O
the	O
Department	O
of	O
Energy	O
to	O
release	O
his	O
version	O
under	O
the	O
GPL	B-License
.	O
</s>
<s>
That	O
version	O
,	O
now	O
called	O
Maxima	B-Language
,	O
is	O
maintained	O
by	O
an	O
independent	O
group	O
of	O
users	O
and	O
developers	O
.	O
</s>
<s>
Maxima	B-Language
does	O
not	O
include	O
any	O
of	O
the	O
many	O
modifications	O
and	O
enhancements	O
made	O
to	O
the	O
commercial	O
version	O
of	O
Macsyma	B-Language
during	O
1982	O
–	O
1999	O
.	O
</s>
<s>
Though	O
the	O
core	O
functionality	O
remains	O
similar	O
,	O
code	O
depending	O
on	O
these	O
enhancements	O
may	O
not	O
work	O
on	O
Maxima	B-Language
,	O
and	O
bugs	O
which	O
were	O
fixed	O
in	O
Macsyma	B-Language
may	O
still	O
be	O
present	O
in	O
Maxima	B-Language
,	O
and	O
vice	O
versa	O
.	O
</s>
<s>
Maxima	B-Language
participated	O
in	O
Google	B-Application
Summer	I-Application
of	I-Application
Code	I-Application
in	O
2019	O
under	O
International	O
Neuroinformatics	O
Coordinating	O
Facility	O
.	O
</s>
<s>
Like	O
most	O
computer	B-General_Concept
algebra	I-General_Concept
systems	I-General_Concept
,	O
Maxima	B-Language
supports	O
a	O
variety	O
of	O
ways	O
of	O
reorganizing	O
symbolic	O
algebraic	O
expressions	O
,	O
such	O
as	O
polynomial	O
factorization	O
,	O
polynomial	B-Algorithm
greatest	I-Algorithm
common	I-Algorithm
divisor	I-Algorithm
calculation	O
,	O
expansion	O
,	O
separation	O
into	O
real	O
and	O
imaginary	O
parts	O
,	O
and	O
transformation	O
of	O
trigonometric	O
functions	O
to	O
exponential	O
and	O
vice	O
versa	O
.	O
</s>
<s>
It	O
can	O
calculate	O
symbolic	O
antiderivatives	B-Algorithm
(	O
"	O
indefinite	B-Algorithm
integrals	I-Algorithm
"	O
)	O
,	O
definite	B-Algorithm
integrals	I-Algorithm
,	O
and	O
limits	B-Algorithm
.	O
</s>
<s>
Maxima	B-Language
is	O
a	O
general-purpose	O
system	O
,	O
and	O
special-case	O
calculations	O
such	O
as	O
factorization	O
of	O
large	O
numbers	O
,	O
manipulation	O
of	O
extremely	O
large	O
polynomials	O
,	O
etc	O
.	O
</s>
<s>
Maxima	B-Language
specializes	O
in	O
symbolic	B-Algorithm
operations	I-Algorithm
,	O
but	O
it	O
also	O
offers	O
numerical	O
capabilities	O
such	O
as	O
arbitrary-precision	B-Algorithm
integer	O
,	O
rational	O
number	O
,	O
and	O
floating-point	B-Algorithm
numbers	I-Algorithm
,	O
limited	O
only	O
by	O
space	O
and	O
time	O
constraints	O
.	O
</s>
<s>
Maxima	B-Language
includes	O
a	O
complete	O
programming	O
language	O
with	O
ALGOL-like	B-Language
syntax	O
but	O
Lisp-like	O
semantics	B-Application
.	O
</s>
<s>
It	O
is	O
written	O
in	O
Common	B-Language
Lisp	I-Language
and	O
can	O
be	O
accessed	O
programmatically	O
and	O
extended	O
,	O
as	O
the	O
underlying	O
Lisp	B-Language
can	O
be	O
called	O
from	O
Maxima	B-Language
.	O
</s>
<s>
It	O
uses	O
gnuplot	B-Application
for	O
drawing	O
.	O
</s>
<s>
For	O
calculations	O
using	O
floating	B-Algorithm
point	I-Algorithm
and	O
arrays	O
heavily	O
,	O
Maxima	B-Language
has	O
translators	O
from	O
the	O
Maxima	B-Language
language	I-Language
to	O
other	O
programming	O
languages	O
(	O
notably	O
Fortran	B-Application
)	O
,	O
which	O
may	O
execute	O
more	O
efficiently	O
.	O
</s>
<s>
Various	O
graphical	B-Application
user	I-Application
interfaces	I-Application
(	O
GUIs	B-Application
)	O
are	O
available	O
for	O
Maxima	B-Language
:	O
</s>
<s>
wxMaxima	B-Language
is	O
a	O
graphical	O
front-end	O
using	O
wxWidgets	B-Language
.	O
</s>
<s>
There	O
is	O
a	O
kernel	O
for	O
Project	O
Jupyter	O
,	O
a	O
flexible	O
,	O
notebook-style	O
GUI	B-Application
written	O
in	O
Python	B-Language
.	O
</s>
<s>
GMaxima	O
is	O
a	O
Maxima	B-Language
interface	O
using	O
GTK+	B-Application
.	O
</s>
<s>
The	O
GNU	B-Application
TeXmacs	I-Application
and	O
LyX	B-Language
mathematical	O
editor	O
programs	O
can	O
be	O
used	O
to	O
provide	O
an	O
interactive	O
GUI	B-Application
for	O
Maxima	B-Language
,	O
as	O
can	O
SageMath	B-Application
.	O
</s>
<s>
Other	O
options	O
include	O
the	O
Imaxima	O
front	O
end	O
,	O
as	O
well	O
as	O
an	O
Emacs	B-Application
and	O
XEmacs	B-Language
interaction	O
mode	O
which	O
is	O
activated	O
by	O
Imaxima	O
.	O
</s>
<s>
Climaxima	O
,	O
a	O
CLIM-based	O
front-end	O
.	O
</s>
