<s>
Ultra	B-Application
Fractal	I-Application
is	O
a	O
fractal	B-Application
generation	O
and	O
rendering	O
software	B-Application
application	I-Application
.	O
</s>
<s>
The	O
program	O
was	O
the	O
first	O
publicly	O
available	O
fractal	B-Application
software	O
which	O
featured	O
layering	O
methods	O
previously	O
only	O
found	O
in	O
image	O
editing	O
software	O
.	O
</s>
<s>
Because	O
of	O
this	O
,	O
the	O
program	O
has	O
become	O
popular	O
for	O
use	O
in	O
the	O
creation	O
of	O
fractal	B-Application
art	O
.	O
</s>
<s>
Ultra	B-Application
Fractal	I-Application
is	O
commercial	O
software	O
,	O
but	O
an	O
evaluation	O
version	O
is	O
freely	O
available	O
.	O
</s>
<s>
Ultra	B-Application
Fractal	I-Application
is	O
raster	B-Algorithm
based	O
.	O
</s>
<s>
The	O
program	O
works	O
using	O
a	O
similar	O
paradigm	O
to	O
Photoshop	B-Operating_System
,	O
allowing	O
multiple	O
layers	O
to	O
be	O
combined	O
using	O
layer	B-Algorithm
blending	I-Algorithm
modes	I-Algorithm
,	O
transformations	B-Algorithm
,	O
and	O
custom	O
fractal	B-Application
formulas	O
.	O
</s>
<s>
Fractal	B-Application
formulas	O
,	O
coloring	O
algorithms	O
,	O
and	O
transformations	B-Algorithm
may	O
be	O
written	O
by	O
users	O
,	O
and	O
a	O
large	O
number	O
of	O
such	O
formula	O
files	O
are	O
available	O
in	O
a	O
public	O
formula	O
database	O
.	O
</s>
<s>
Fractals	B-Application
may	O
be	O
copied	B-General_Concept
from	O
the	O
interface	O
and	O
pasted	O
as	O
plain	O
text	O
into	O
an	O
email	O
.	O
</s>
<s>
Calculation	O
using	O
arbitrary	B-Algorithm
precision	I-Algorithm
arithmetic	I-Algorithm
is	O
supported	O
,	O
allowing	O
users	O
to	O
zoom	O
to	O
a	O
magnification	O
of	O
104000	O
.	O
</s>
<s>
The	O
GUI	B-Application
is	O
customizable	O
with	O
a	O
dockable	O
MDI	O
.	O
</s>
<s>
The	O
software	O
calculates	O
statistics	O
about	O
the	O
fractal	B-Application
that	O
is	O
being	O
previewed	O
.	O
</s>
<s>
Other	O
features	O
include	O
fullscreen	O
mode	O
,	O
color	O
cycling	O
,	O
a	O
render	O
queue	O
,	O
distributed	B-Operating_System
rendering	I-Operating_System
calculations	O
,	O
and	O
a	O
detailed	O
help	O
file	B-Operating_System
.	O
</s>
<s>
Version	O
4	O
added	O
support	O
for	O
animations	O
and	O
improved	O
flame	B-Algorithm
fractal	I-Algorithm
rendering	O
.	O
</s>
<s>
Formulae	O
from	O
Fractint	B-Application
,	O
an	O
early	O
and	O
widely	O
used	O
piece	O
of	O
fractal-generating	B-Algorithm
software	I-Algorithm
,	O
have	O
been	O
converted	O
to	O
an	O
UltraFractal	B-Application
formula	O
file	B-Operating_System
.	O
</s>
