<s>
Cantor	B-Language
is	O
a	O
free	B-Application
software	I-Application
mathematics	B-Application
application	I-Application
for	O
scientific	O
statistics	O
and	O
analysis	O
.	O
</s>
<s>
It	O
is	O
part	O
of	O
the	O
KDE	B-Language
Software	I-Language
Compilation	I-Language
4	I-Language
,	O
and	O
was	O
introduced	O
with	O
the	O
4.4	O
release	O
as	O
part	O
of	O
the	O
KDE	B-Language
Education	I-Language
Project	I-Language
's	O
kdeedu	B-Language
package	O
.	O
</s>
<s>
Cantor	B-Language
is	O
a	O
graphical	B-Application
user	I-Application
interface	I-Application
that	O
delegates	O
its	O
mathematical	O
operations	O
to	O
one	O
of	O
several	O
backends	B-Architecture
.	O
</s>
<s>
Its	O
plugin-based	O
structure	O
allows	O
adding	O
different	O
backends	B-Architecture
.	O
</s>
<s>
It	O
can	O
make	O
use	O
of	O
Julia	B-Application
,	O
KAlgebra	B-Language
,	O
Lua	B-Language
,	O
Maxima	B-Language
,	O
Octave	B-Language
,	O
Python	B-Language
,	O
Qalculate	O
!,	O
R	B-Language
,	O
SageMath	B-Application
,	O
and	O
Scilab	B-Application
.	O
</s>
<s>
Cantor	B-Language
provides	O
a	O
consistent	O
interface	O
to	O
these	O
backends	B-Architecture
;	O
its	O
project	O
page	O
lists	O
the	O
following	O
features	O
:	O
</s>
<s>
Cantor	B-Language
was	O
the	O
first	O
KDE	O
project	O
to	O
implement	O
upload	O
to	O
the	O
GetHotNewStuff	O
addon	O
service	O
,	O
which	O
is	O
used	O
to	O
download	O
or	O
upload	O
example	O
worksheets	B-Application
.	O
</s>
<s>
It	O
provided	O
impetus	O
for	O
improvement	O
of	O
this	O
feature	O
for	O
KDE	B-Language
SC	I-Language
4.4	I-Language
.	O
</s>
