<s>
FX-87	B-Language
is	O
a	O
polymorphic	O
typed	O
functional	O
language	O
based	O
on	O
a	O
system	O
for	O
static	O
program	O
analysis	O
in	O
which	O
every	O
expression	O
has	O
two	O
static	O
properties	O
:	O
a	O
type	O
and	O
an	O
effect	O
.	O
</s>
<s>
In	O
a	O
study	O
done	O
by	O
MIT	O
,	O
FX-87	B-Language
yields	O
similar	O
performance	O
results	O
as	O
functional	O
languages	O
on	O
programs	O
that	O
do	O
not	O
contain	O
side	O
effects	O
(	O
Fibonacci	O
,	O
Factorial	O
)	O
.	O
</s>
<s>
FX-87	B-Language
did	O
yield	O
a	O
great	O
performance	O
increase	O
when	O
matching	O
DNA	O
sequences	O
.	O
</s>
<s>
KFX	B-Language
is	O
the	O
kernel	B-Operating_System
language	O
of	O
FX-87	B-Language
.	O
</s>
