<s>
DADiSP	B-Language
(	O
Data	O
Analysis	O
and	O
Display	O
,	O
pronounced	O
day-disp	O
)	O
is	O
a	O
numerical	B-General_Concept
computing	I-General_Concept
environment	O
developed	O
by	O
DSP	O
Development	O
Corporation	O
which	O
allows	O
one	O
to	O
display	O
and	O
manipulate	O
data	O
series	O
,	O
matrices	B-Architecture
and	O
images	O
with	O
an	O
interface	O
similar	O
to	O
a	O
spreadsheet	B-Application
.	O
</s>
<s>
DADiSP	B-Language
is	O
used	O
in	O
the	O
study	O
of	O
signal	O
processing	O
,	O
numerical	B-General_Concept
analysis	I-General_Concept
,	O
statistical	O
and	O
physiological	O
data	O
processing	O
.	O
</s>
<s>
DADiSP	B-Language
is	O
designed	O
to	O
perform	O
technical	O
data	O
analysis	O
in	O
a	O
spreadsheet	B-Application
like	O
environment	O
.	O
</s>
<s>
However	O
,	O
unlike	O
a	O
typical	O
business	O
spreadsheet	B-Application
that	O
operates	O
on	O
a	O
table	O
of	O
cells	O
each	O
of	O
which	O
contain	O
single	O
scalar	O
values	O
,	O
a	O
DADiSP	B-Language
Worksheet	O
consists	O
of	O
multiple	O
interrelated	O
windows	O
where	O
each	O
window	O
contains	O
an	O
entire	O
series	O
or	O
multi-column	O
matrix	B-Architecture
.	O
</s>
<s>
Like	O
a	O
traditional	O
spreadsheet	B-Application
,	O
the	O
windows	O
are	O
linked	O
such	O
that	O
a	O
change	O
to	O
the	O
data	O
in	O
one	O
window	O
automatically	O
updates	O
all	O
dependent	O
windows	O
both	O
numerically	B-General_Concept
and	O
graphically	O
.	O
</s>
<s>
A	O
DADiSP	B-Language
window	O
is	O
normally	O
referred	O
to	O
by	O
the	O
letter	O
"	O
W	O
"	O
followed	O
by	O
a	O
window	O
number	O
,	O
as	O
in	O
"	O
W1	O
"	O
.	O
</s>
<s>
DADiSP	B-Language
includes	O
a	O
series	O
based	O
programming	O
language	O
called	O
SPL	O
(	O
Series	O
Processing	O
Language	O
)	O
used	O
to	O
implement	O
custom	O
algorithms	O
.	O
</s>
<s>
SPL	O
has	O
a	O
C/C	O
++	O
like	O
syntax	O
and	O
is	O
incrementally	O
compiled	O
into	O
intermediate	O
bytecode	O
,	O
which	O
is	O
executed	O
by	O
a	O
virtual	B-Architecture
machine	I-Architecture
.	O
</s>
<s>
DADiSP	B-Language
was	O
originally	O
developed	O
in	O
the	O
early	O
1980s	O
as	O
part	O
of	O
a	O
research	O
project	O
at	O
MIT	O
to	O
explore	O
the	O
aerodynamics	O
of	O
Formula	B-Application
One	I-Application
racing	O
cars	O
.	O
</s>
