<s>
The	O
Conway	B-Algorithm
base	I-Algorithm
13	I-Algorithm
function	I-Algorithm
is	O
a	O
function	O
created	O
by	O
British	O
mathematician	O
John	O
H	O
.	O
Conway	O
as	O
a	O
counterexample	O
to	O
the	O
converse	O
of	O
the	O
intermediate	O
value	O
theorem	O
.	O
</s>
<s>
The	O
Conway	B-Algorithm
base	I-Algorithm
13	I-Algorithm
function	I-Algorithm
was	O
created	O
as	O
part	O
of	O
a	O
"	O
produce	O
"	O
activity	O
:	O
in	O
this	O
case	O
,	O
the	O
challenge	O
was	O
to	O
produce	O
a	O
simple-to-understand	O
function	O
which	O
takes	O
on	O
every	O
real	O
value	O
in	O
every	O
interval	O
,	O
that	O
is	O
,	O
it	O
is	O
an	O
everywhere	O
surjective	B-Algorithm
function	I-Algorithm
.	O
</s>
