<s>
Dalton	B-Application
(	O
named	O
after	O
John	O
Dalton	B-Application
)	O
is	O
an	O
ab	O
initio	O
quantum	O
chemistry	O
computer	O
program	O
suite	O
,	O
consisting	O
of	O
the	O
Dalton	B-Application
and	O
LSDalton	O
programs	O
.	O
</s>
<s>
The	O
Dalton	B-Application
suite	O
is	O
capable	O
of	O
calculating	O
various	O
molecular	O
properties	O
using	O
the	O
Hartree	O
–	O
Fock	O
,	O
MP2	O
,	O
MCSCF	O
and	O
coupled	O
cluster	O
theories	O
.	O
</s>
<s>
Version	O
2.0	O
of	O
DALTON	B-Application
added	O
support	O
for	O
density	O
functional	O
theory	O
calculations	O
.	O
</s>
<s>
Dalton	B-Application
switched	O
to	O
the	O
open	O
source	O
GNU	B-Application
LGPL	I-Application
licence	O
in	O
August	O
2017	O
.	O
</s>
