<s>
SciDAVis	B-Language
(	O
Scientific	O
Data	B-General_Concept
Analysis	I-General_Concept
and	O
Visualization	O
)	O
is	O
an	O
open-source	B-Application
cross-platform	B-Operating_System
computer	O
program	O
for	O
interactive	O
scientific	B-Application
graphing	I-Application
and	O
data	B-General_Concept
analysis	I-General_Concept
.	O
</s>
<s>
Development	O
started	O
in	O
2007	O
as	O
fork	B-Application
of	O
QtiPlot	B-Language
,	O
which	O
in	O
turn	O
is	O
a	O
clone	B-General_Concept
of	O
the	O
proprietary	O
program	O
Origin	B-Application
.	O
</s>
<s>
SciDAVis	B-Language
can	O
generate	O
different	O
types	O
of	O
2D	O
and	O
3D	O
plots	O
(	O
such	O
as	O
line	O
,	O
scatter	O
,	O
bar	O
,	O
pie	O
,	O
and	O
surface	O
plots	O
)	O
from	O
data	O
that	O
is	O
either	O
imported	O
from	O
ASCII	O
files	O
,	O
entered	O
by	O
hand	O
,	O
or	O
calculated	O
using	O
formulas	O
.	O
</s>
<s>
Curve	O
fitting	O
can	O
be	O
performed	O
with	O
user-defined	O
or	O
built-in	O
linear	O
and	O
nonlinear	O
functions	O
,	O
including	O
multi-peak	O
fitting	O
,	O
based	O
on	O
the	O
GNU	B-Application
Scientific	I-Application
Library	I-Application
.	O
</s>
<s>
The	O
plots	O
can	O
be	O
exported	O
to	O
several	O
bitmap	O
formats	O
,	O
PDF	B-Application
,	O
EPS	B-Language
or	O
SVG	B-Application
.	O
</s>
<s>
Note	O
windows	O
support	O
in-place	O
evaluation	O
of	O
mathematical	O
expressions	O
or	O
an	O
optional	O
scripting	O
interface	O
to	O
Python	B-Language
.	O
</s>
<s>
The	O
GUI	B-Application
of	O
the	O
application	O
uses	O
the	O
Qt	B-Language
toolkit	I-Language
.	O
</s>
<s>
SciDAVis	B-Language
was	O
founded	O
by	O
Tilman	O
Benkert	O
and	O
Knut	O
Franke	O
in	O
2007	O
as	O
a	O
fork	B-Application
of	O
QtiPlot	B-Language
,	O
after	O
disagreements	O
arose	O
with	O
Ion	O
Vasilief	O
,	O
the	O
founder	O
and	O
main	O
developer	O
of	O
the	O
project	O
.	O
</s>
<s>
In	O
2008	O
,	O
developers	O
of	O
SciDAVis	B-Language
and	O
LabPlot	B-Language
"	O
found	O
their	O
project	O
goals	O
to	O
be	O
very	O
similar	O
"	O
and	O
"	O
decided	O
to	O
start	O
a	O
close	O
cooperation	O
"	O
with	O
the	O
aim	O
of	O
merging	O
their	O
code	O
into	O
a	O
common	O
backend	O
,	O
while	O
maintaining	O
"	O
two	O
frontends	O
,	O
one	O
with	O
full	O
KDE4	O
integration	O
(	O
called	O
LabPlot	B-Language
2.x	O
)	O
and	O
one	O
with	O
no	O
KDE	B-Application
dependencies	O
(	O
pure	O
Qt	B-Language
so	O
to	O
say	O
)	O
for	O
easier	O
cross-platform	B-Operating_System
use	O
(	O
called	O
SciDAVis	B-Language
)	O
"	O
.	O
</s>
<s>
After	O
stalled	O
development	O
for	O
several	O
years	O
,	O
updates	O
to	O
SciDAVis	B-Language
have	O
resumed	O
.	O
</s>
