<s>
Compact	B-Language
Application	I-Language
Solution	I-Language
Language	I-Language
(	O
CASL	O
)	O
is	O
a	O
programming	O
language	O
used	O
to	O
create	O
computer	O
programs	O
for	O
Palm	B-Operating_System
OS	I-Operating_System
,	O
and	O
Microsoft	B-Application
Windows	I-Application
desktops	O
,	O
laptops	O
,	O
and	O
Pocket	B-Device
PCs	I-Device
with	O
Windows	B-Operating_System
Mobile	I-Operating_System
.	O
</s>
<s>
As	O
a	O
language	O
,	O
CASL	O
is	O
similar	O
to	O
Pascal	B-Application
or	O
Visual	B-Language
Basic	I-Language
with	O
object-oriented	B-Language
programming	I-Language
features	O
.	O
</s>
<s>
The	O
CASL	O
software	B-Application
development	I-Application
kit	I-Application
(	O
SDK	O
)	O
includes	O
a	O
graphical	B-Application
user	I-Application
interface	I-Application
(	O
GUI	B-Application
)	O
forms	O
editor	O
,	O
an	O
integrated	B-Application
development	I-Application
environment	I-Application
(	O
IDE	O
)	O
,	O
and	O
a	O
compiler	B-Language
.	O
</s>
<s>
CASL	O
programs	O
can	O
either	O
be	O
run	O
as	O
interpreted	O
applications	O
on	O
target	O
devices	O
(	O
using	O
a	O
small	O
helper	O
binary	O
)	O
,	O
or	O
compiled	B-Language
directly	O
to	O
native	O
code	O
(	O
CASLpro	O
)	O
.	O
</s>
<s>
One	O
of	O
CASL	O
's	O
key	O
features	O
is	O
that	O
the	O
same	O
source	O
can	O
be	O
compiled	B-Language
to	O
Palm	B-Operating_System
OS	I-Operating_System
,	O
Windows	O
,	O
or	O
Pocket	B-Device
PC	I-Device
with	O
Windows	B-Operating_System
Mobile	I-Operating_System
,	O
without	O
changing	O
the	O
code	O
,	O
termed	O
"	O
write	O
once	O
,	O
run	O
all	O
"	O
.	O
</s>
<s>
In	O
July	O
2005	O
,	O
CASLsoft	O
announced	O
they	O
were	O
discontinuing	O
support	O
for	O
CASL	O
and	O
releasing	O
it	O
as	O
freeware	B-License
,	O
with	O
version	O
4.2	O
as	O
the	O
last	O
official	O
release	O
.	O
</s>
