<s>
A	O
60-bit	B-Device
word	O
is	O
typically	O
used	O
for	O
high-precision	O
floating-point	B-Algorithm
calculations	I-Algorithm
;	O
it	O
can	O
also	O
store	O
10	O
6-bit	O
characters	O
.	O
</s>
<s>
The	O
only	O
widely-used	O
computers	O
with	O
60-bit	B-Device
words	O
were	O
produced	O
by	O
Control	O
Data	O
Corporation	O
(	O
CDC	O
)	O
,	O
including	O
the	O
CDC	B-Device
6000	I-Device
series	I-Device
,	O
the	O
CDC	B-Device
7600	I-Device
,	O
and	O
the	O
CDC	O
Cyber	O
70	O
and	O
170	O
series	O
.	O
</s>
<s>
Though	O
the	O
addressable	O
unit	O
was	O
the	O
60-bit	B-Device
word	O
,	O
instructions	O
were	O
either	O
15	O
or	O
30	O
bits	O
.	O
</s>
<s>
Early	O
design	O
documents	O
for	O
the	O
IBM	B-Device
7030	I-Device
Stretch	I-Device
tentatively	O
specified	O
its	O
word	O
length	O
as	O
60	O
bits	O
;	O
the	O
final	O
design	O
used	O
64	O
.	O
</s>
<s>
Museum	O
examples	O
of	O
60-bit	B-Device
CDC	O
machines	O
exist	O
.	O
</s>
<s>
There	O
also	O
exists	O
an	O
emulator	O
for	O
the	O
series	O
which	O
will	O
simulate	O
the	O
CDC	O
60-bit	B-Device
machines	O
on	O
commodity	O
hardware	O
and	O
operating	O
systems	O
.	O
</s>
