<s>
Easy	O
JavaScript	O
Simulations	O
(	O
EJSS	O
)	O
,	O
formerly	O
known	O
as	O
Easy	B-Application
Java	I-Application
Simulations	I-Application
(	O
EJS	B-Application
)	O
,	O
is	O
an	O
open-source	B-Application
software	I-Application
tool	O
,	O
part	O
of	O
the	O
Open	B-Application
Source	I-Application
Physics	I-Application
project	O
,	O
designed	O
for	O
the	O
creation	O
of	O
discrete	O
computer	B-Application
simulations	I-Application
.	O
</s>
<s>
A	O
discrete	O
computer	B-Application
simulation	I-Application
,	O
or	O
simply	O
a	O
computer	B-Application
simulation	I-Application
,	O
is	O
a	O
computer	O
program	O
that	O
tries	O
to	O
reproduce	O
,	O
for	O
pedagogical	O
or	O
scientific	O
purposes	O
,	O
a	O
natural	O
phenomenon	O
through	O
the	O
visualization	O
of	O
the	O
different	O
states	O
that	O
it	O
can	O
have	O
.	O
</s>
<s>
Java	B-Language
Virtual	I-Language
Machines	I-Language
(	O
JVM	B-Language
)	O
are	O
available	O
for	O
many	O
different	O
platforms	O
;	O
a	O
platform	O
for	O
which	O
a	O
JVM	B-Language
is	O
available	O
can	O
run	O
Java	O
programs	O
.	O
</s>
<s>
EJSS	O
has	O
its	O
own	O
format	O
for	O
storing	O
the	O
simulations	O
,	O
which	O
is	O
based	O
on	O
XML	O
,	O
EJS	B-Application
and	O
EJSS	O
and	O
carries	O
the	O
extension	O
.xml	O
,	O
.ejs	O
and	O
.ejss	O
.	O
</s>
