<s>
The	O
Rodin	B-Application
tool	I-Application
is	O
a	O
tool	O
for	O
formal	O
modelling	B-Language
in	O
Event-B	O
.	O
</s>
<s>
Event-B	O
is	O
a	O
notation	O
and	O
method	O
developed	O
from	O
the	O
B-Method	B-Application
and	O
is	O
intended	O
to	O
be	O
used	O
with	O
an	O
incremental	O
style	O
of	O
modelling	B-Language
.	O
</s>
<s>
The	O
idea	O
of	O
incremental	O
modelling	B-Language
has	O
been	O
taken	O
from	O
programming	O
:	O
modern	B-Language
programming	I-Language
languages	I-Language
come	O
with	O
integrated	B-Application
development	I-Application
environment	I-Application
that	O
make	O
it	O
easy	O
to	O
modify	O
and	O
improve	O
programs	O
.	O
</s>
<s>
The	O
Rodin	B-Application
tool	I-Application
provides	O
such	O
an	O
environment	O
for	O
Event-B	O
.	O
</s>
<s>
The	O
two	O
main	O
characteristics	O
of	O
the	O
Rodin	B-Application
tool	I-Application
are	O
its	O
ease	O
of	O
use	O
and	O
its	O
extensibility	O
.	O
</s>
<s>
The	O
tool	O
focuses	O
on	O
modelling	B-Language
.	O
</s>
<s>
Rodin	O
(	O
Rigorous	O
Open	O
Development	O
Environment	O
for	O
Complex	O
Systems	O
)	O
is	O
an	O
extension	O
of	O
Eclipse	B-Application
IDE	I-Application
(	O
Java	O
based	O
)	O
.	O
</s>
<s>
Rodin	O
Eclipse	B-Application
Builder	O
coordinates	O
:	O
</s>
