<s>
XploRe	B-Application
was	O
a	O
commercial	O
statistics	B-Algorithm
software	I-Algorithm
package	I-Algorithm
,	O
developed	O
by	O
the	O
German	O
software	O
company	O
MD*Tech	O
around	O
Prof	O
.	O
Dr.	O
Wolfgang	O
Härdle	O
.	O
</s>
<s>
XploRe	B-Application
has	O
been	O
discontinued	O
in	O
2008	O
,	O
the	O
last	O
version	O
,	O
4.8	O
,	O
is	O
available	O
for	O
download	O
at	O
no	O
cost	O
.	O
</s>
<s>
The	O
user	O
interacted	O
with	O
the	O
software	O
via	O
the	O
XploRe	B-Application
programming	O
language	O
,	O
which	O
is	O
derived	O
from	O
the	O
C	B-Language
programming	I-Language
language	I-Language
.	O
</s>
<s>
Individual	O
XploRe	B-Application
programs	O
were	O
called	O
Quantlets	O
.	O
</s>
<s>
With	O
the	O
XploRe	B-Application
Quantlet	O
Client	O
users	O
were	O
able	O
to	O
run	O
XploRe	B-Application
as	O
Java	B-Application
applet	I-Application
in	O
a	O
web	B-Application
browser	I-Application
.	O
</s>
<s>
The	O
applet	O
sent	O
the	O
user	O
commands	O
via	O
a	O
TCP/IP	O
based	O
communication	O
protocol	O
to	O
the	O
XploRe	B-Application
Quantlet	O
Server	O
,	O
which	O
computed	O
the	O
necessary	O
results	O
and	O
sent	O
them	O
back	O
to	O
the	O
client	O
.	O
</s>
