<s>
With	O
the	O
decreased	O
cost	O
and	O
increased	O
capabilities	O
of	O
computers	O
,	O
Nuclear	O
Engineering	O
has	O
implemented	O
computer	O
software	O
(	O
Computer	B-Application
code	I-Application
to	O
Mathematical	O
model	O
)	O
into	O
all	O
facets	O
of	O
this	B-Algorithm
field	I-Algorithm
.	O
</s>
<s>
each	O
software	O
need	O
to	O
test	B-Application
and	I-Application
verify	I-Application
before	O
use	O
.	O
</s>
<s>
most	O
of	O
software	O
's	O
written	O
in	O
C	O
and	O
Fortran	B-Application
.	O
</s>
<s>
These	O
include	O
SCALE	O
,	O
PARCS	O
,	O
TRACE	O
(	O
Formerly	O
RELAP5	B-Application
and	O
TRAC-B	O
)	O
,	O
MELCOR	B-Application
,	O
and	O
many	O
others	O
.	O
</s>
