<s>
The	O
FDMNES	B-Application
program	O
calculates	O
the	O
spectra	O
of	O
different	O
spectroscopies	O
related	O
to	O
the	O
real	O
or	O
virtual	O
absorption	O
of	O
x-ray	B-Library
in	O
material	O
.	O
</s>
<s>
It	O
gives	O
the	O
absorption	O
cross	O
sections	O
of	O
photons	B-Application
around	O
the	O
ionization	O
edge	O
,	O
that	O
is	O
in	O
the	O
energy	O
range	O
of	O
XANES	O
.	O
</s>
<s>
The	O
first	O
one	O
is	O
based	O
on	O
the	O
Finite	B-Algorithm
Difference	I-Algorithm
Method	I-Algorithm
(	O
FDM	B-Algorithm
)	O
to	O
solve	O
the	O
Schrödinger	O
equation	O
.	O
</s>
<s>
FDMNES	B-Application
is	O
used	O
as	O
external	O
program	O
to	O
calculate	O
basic	O
spectra	O
for	O
XANES	O
fitting	O
using	O
FitIt	B-Application
.	O
</s>
<s>
It	O
can	O
also	O
be	O
used	O
to	O
calculate	O
X-ray	B-Library
Raman	O
scattering	O
spectra	O
.	O
</s>
