<s>
CPMP-Tools	B-General_Concept
CPMP-Tools	B-General_Concept
is	O
a	O
free	B-Application
open-source	B-License
software-package	O
for	O
Computer	B-General_Concept
Algebra	I-General_Concept
System	I-General_Concept
(	O
CAS	O
)	O
.	O
</s>
<s>
CPMP-Tools	B-General_Concept
has	O
a	O
GNU-public	O
license	O
and	O
works	O
with	O
three	O
operating	B-General_Concept
systems	I-General_Concept
.	O
</s>
<s>
CPMP-Tools	B-General_Concept
is	O
made	O
for	O
teaching	O
mathematics	O
at	O
the	O
high	O
school	O
level	O
.	O
</s>
<s>
CPMP-Tools	B-General_Concept
is	O
a	O
little	O
similar	O
to	O
the	O
two	O
free	B-Application
CAS-software	O
packages	O
,	O
Yacas	B-Language
and	O
Xcas	B-Language
.	O
</s>
<s>
CPMP-Tools	B-General_Concept
is	O
Java-based	O
.	O
</s>
<s>
CPMP-Tools	B-General_Concept
works	O
for	O
these	O
operating	B-General_Concept
systems	I-General_Concept
:	O
</s>
<s>
CPMP-Tools	B-General_Concept
contains	O
four	O
parts	O
:	O
</s>
<s>
American	O
mathematics	O
teacher	O
Brian	O
Lemmen	O
was	O
involved	O
in	O
the	O
development	O
of	O
CPMP-Tools	B-General_Concept
.	O
</s>
<s>
CPMP-Tools	B-General_Concept
was	O
first	O
published	O
in	O
the	O
1990s	O
.	O
</s>
