<s>
CSMP	B-Language
III	I-Language
,	O
or	O
Continuous	O
System	O
Modelling	O
Program	O
IlI	O
is	O
an	O
early	O
scientific	O
computer	B-Application
software	I-Application
designed	O
for	O
modelling	O
and	O
solving	O
differential	O
equations	O
numerically	O
.	O
</s>
<s>
They	O
consist	O
of	O
FORTRAN-like	O
programming	O
language	O
statements	O
,	O
and	O
functional	O
blocks	O
of	O
program	O
code	O
(	O
procedures	O
)	O
designed	O
for	O
repeat	O
operations	O
that	O
frequently	O
occur	O
in	O
a	O
model	O
definition	O
.	O
</s>
<s>
Structural	O
statements	O
can	O
make	O
use	O
of	O
the	O
operations	O
of	O
addition	O
,	O
subtraction	O
,	O
multiplication	O
,	O
division	O
,	O
and	O
exponentiation	O
,	O
using	O
the	O
same	O
notation	O
and	O
syntax	O
rules	O
as	O
are	O
used	O
in	O
FORTRAN	B-Application
.	O
</s>
<s>
The	O
earlier	O
CSMP	B-Language
III	I-Language
text-based	O
programming	O
language	O
has	O
been	O
superseded	O
by	O
variations	O
such	O
as	O
APL	B-Language
and	O
object	O
oriented	O
computer-language	O
modelling	O
versions	O
of	O
CSMP	O
such	O
as	O
OOSCMP	O
.	O
</s>
