<s>
Reduce	O
is	O
a	O
general-purpose	O
computer	B-General_Concept
algebra	I-General_Concept
system	I-General_Concept
geared	O
towards	O
applications	O
in	O
physics	O
.	O
</s>
<s>
The	O
development	O
of	O
the	O
Reduce	B-Language
computer	I-Language
algebra	I-Language
system	I-Language
was	O
started	O
in	O
the	O
1960s	O
by	O
Anthony	O
C	O
.	O
Hearn	O
.	O
</s>
<s>
Reduce	O
is	O
written	O
entirely	O
in	O
its	O
own	O
LISP	B-Language
dialect	O
called	O
Portable	B-Language
Standard	I-Language
Lisp	I-Language
,	O
expressed	O
in	O
an	O
ALGOL-like	B-Language
syntax	O
called	O
RLISP	O
.	O
</s>
<s>
Implementations	O
of	O
Reduce	O
are	O
available	O
on	O
most	O
variants	O
of	O
Unix	B-Application
,	O
Linux	B-Application
,	O
Microsoft	B-Application
Windows	I-Application
,	O
or	O
Apple	B-Device
Macintosh	I-Device
systems	O
by	O
using	O
an	O
underlying	O
Portable	B-Language
Standard	I-Language
Lisp	I-Language
or	O
Codemist	O
Standard	O
LISP	B-Language
implementation	O
.	O
</s>
<s>
The	O
Julia	B-Application
package	O
Reduce.jl	O
uses	O
Reduce	O
as	O
a	O
backend	O
and	O
implements	O
its	O
semantics	O
in	O
Julia	B-Application
style	O
.	O
</s>
<s>
Reduce	O
was	O
open	O
sourced	O
in	O
December	O
2008	O
and	O
is	O
available	O
for	O
free	O
under	O
a	O
modified	O
BSD	B-Operating_System
license	I-Operating_System
on	O
SourceForge	B-Application
.	O
</s>
