<s>
The	O
R1000	B-Application
was	O
a	O
workstation	B-Device
released	O
in	O
1985	O
by	O
Rational	O
Software	O
for	O
the	O
design	O
,	O
documentation	O
,	O
implementation	O
,	O
and	O
maintenance	O
of	O
large	O
software	O
systems	O
written	O
using	O
the	O
Ada	B-Language
programming	I-Language
language	I-Language
.	O
</s>
<s>
The	O
R1000	B-Application
featured	O
an	O
extensive	O
tool	O
set	O
,	O
including	O
:	O
</s>
<s>
As	O
a	O
successor	O
to	O
the	O
R1000	B-Application
,	O
Rational	O
produced	O
a	O
new	O
IDE	O
called	O
Rational	O
Apex	O
.	O
</s>
<s>
Rational	O
Apex	O
took	O
many	O
of	O
the	O
features	O
that	O
the	O
R1000	B-Application
introduced	O
and	O
extended	O
(	O
ported	O
)	O
them	O
onto	O
commonly	O
available	O
workstations	B-Device
from	O
Sun	O
Microsystems	O
and	O
IBM	O
.	O
</s>
<s>
Several	O
R1000	B-Application
units	O
exist	O
in	O
museums	O
and	O
private	O
collections	O
,	O
but	O
,	O
because	O
of	O
the	O
classified	O
nature	O
of	O
much	O
Ada	B-Language
programming	I-Language
,	O
these	O
units	O
had	O
been	O
wiped	O
;	O
efforts	O
have	O
been	O
made	O
to	O
boot	O
one	O
of	O
these	O
systems	O
,	O
with	O
little	O
or	O
no	O
luck	O
as	O
of	O
2013	O
.	O
</s>
