<s>
XFdtd	B-Algorithm
is	O
electromagnetic	O
simulation	O
software	O
with	O
a	O
very	O
wide	O
variety	O
of	O
applications	O
in	O
RF	B-Application
circuit	I-Application
,	O
antenna	O
,	O
military/defense	O
,	O
medical	O
EM	O
,	O
photonics	O
,	O
radar	B-Application
,	O
component	O
,	O
metamaterial	O
,	O
and	O
related	O
fields	O
.	O
</s>
<s>
It	O
originally	O
stood	O
for	O
X	O
(	O
Window	O
System	O
)	O
Finite	B-Algorithm
Difference	I-Algorithm
Time	I-Algorithm
Domain	I-Algorithm
and	O
was	O
first	O
developed	O
in	O
the	O
mid	O
1990s	O
by	O
Remcom	O
Incorporated	O
of	O
State	O
College	O
,	O
PA	O
in	O
the	O
United	O
States	O
.	O
</s>
<s>
XFdtd	B-Algorithm
includes	O
full	O
wave	O
(	O
FDTD	B-Algorithm
)	O
,	O
electrostatic	O
,	O
thermal-biological	O
,	O
circuit	O
,	O
and	O
2D	O
Eigen	O
solver	O
and	O
integrates	O
with	O
PO/MEC	O
,	O
and	O
GTD/UTD	O
method	O
solvers	O
.	O
</s>
