<s>
SolverStudio	B-Operating_System
is	O
a	O
free	O
Excel	B-Application
plug-in	O
developed	O
at	O
the	O
University	O
of	O
Auckland	O
that	O
supports	O
optimization	O
and	O
simulation	O
modelling	O
in	O
a	O
spreadsheet	B-Application
using	O
an	O
algebraic	B-Application
modeling	I-Application
language	I-Application
.	O
</s>
<s>
It	O
is	O
popular	O
in	O
education	O
,	O
the	O
public	O
sector	O
and	O
industry	O
for	O
optimization	O
users	O
because	O
it	O
uses	O
industry-standard	O
modelling	O
languages	O
and	O
is	O
faster	O
than	O
traditional	O
Excel	B-Application
optimisation	O
approaches	O
.	O
</s>
<s>
SolverStudio	B-Operating_System
adds	O
a	O
text	O
editor	O
to	O
Excel	B-Application
that	O
is	O
used	O
to	O
create	O
a	O
text-based	O
optimization	O
(	O
or	O
simulation	O
)	O
model	O
using	O
a	O
modelling	O
language	O
such	O
as	O
PuLP	O
,	O
AMPL	B-Language
,	O
GAMS	B-Application
or	O
Julia/JuMP	O
.	O
</s>
<s>
SolverStudio	B-Operating_System
also	O
provides	O
a	O
tool	O
for	O
naming	O
data	O
on	O
a	O
spreadsheet	B-Application
(	O
and	O
specifying	O
indices	O
for	O
this	O
data	O
)	O
,	O
allowing	O
the	O
data	O
to	O
be	O
used	O
in	O
the	O
model	O
.	O
</s>
<s>
When	O
the	O
model	O
is	O
run	O
,	O
the	O
system	O
automatically	O
reads	O
input	O
data	O
from	O
the	O
spreadsheet	B-Application
and	O
provides	O
it	O
to	O
the	O
model	O
,	O
and	O
then	O
writes	O
the	O
model	O
results	O
back	O
to	O
the	O
spreadsheet	B-Application
.	O
</s>
<s>
SolverStudio	B-Operating_System
works	O
with	O
a	O
range	O
of	O
commercial	O
and	O
open	O
source	O
modelling	O
systems	O
.	O
</s>
<s>
By	O
default	O
,	O
it	O
uses	O
PuLP	O
,	O
an	O
open-source	O
Python	B-Language
COIN-OR	B-Application
modelling	O
language	O
.	O
</s>
<s>
A	O
second	O
open-source	O
Python	B-Language
option	O
is	O
Pyomo	B-Application
which	O
supports	O
non-linear	O
and	O
stochastic	O
programming	O
and	O
provides	O
access	O
to	O
a	O
larger	O
range	O
of	O
solvers	O
.	O
</s>
<s>
Another	O
supported	O
linear	O
and	O
non-linear	O
modelling	O
option	O
is	O
Julia/JuMP	O
.	O
</s>
<s>
SolverStudio	B-Operating_System
also	O
makes	O
the	O
two	O
popular	O
commercial	O
modelling	O
languages	O
,	O
AMPL	B-Language
and	O
GAMS	B-Application
available	O
to	O
Excel	B-Application
users	O
.	O
</s>
<s>
SolverStudio	B-Operating_System
allows	O
models	O
written	O
using	O
these	O
languages	O
to	O
be	O
solved	O
on	O
the	O
user	O
's	O
own	O
PC	O
,	O
or	O
in	O
the	O
cloud	O
using	O
NEOS	O
.	O
</s>
<s>
The	O
GNU	B-Application
clone	O
of	O
AMPL	B-Language
,	O
GMPL	O
(	O
GNU	B-Application
MathProg	O
Language	O
)	O
is	O
included	O
with	O
SolverStudio	B-Operating_System
.	O
</s>
<s>
SolverStudio	B-Operating_System
includes	O
the	O
open-source	O
COIN-OR	B-Application
CMPL	O
modelling	O
language	O
,	O
and	O
the	O
Python-based	O
SimPy	O
simulation	O
language	O
.	O
</s>
<s>
SolverStudio	B-Operating_System
supports	O
general	O
programming	O
using	O
both	O
Python	B-Language
and	O
IronPython	B-Application
,	O
allowing	O
these	O
programming	O
languages	O
to	O
be	O
used	O
to	O
script	O
Excel	B-Application
using	O
the	O
standard	O
VBA	B-Language
interfaces	O
.	O
</s>
