<s>
The	O
Monroe	B-Device
EPIC	I-Device
was	O
a	O
programmable	B-Application
calculator	I-Application
that	O
came	O
on	O
the	O
market	O
in	O
the	O
1960s	O
.	O
</s>
<s>
It	O
consisted	O
of	O
a	O
large	O
desktop	B-Device
unit	O
which	O
attached	O
to	O
a	O
floor-standing	O
logic	O
tower	O
and	O
was	O
capable	O
of	O
being	O
programmed	O
to	O
perform	O
many	O
computer-like	O
functions	O
.	O
</s>
<s>
However	O
,	O
the	O
only	O
form	O
of	O
a	O
branching	B-General_Concept
instruction	I-General_Concept
available	O
was	O
a	O
hard-coded	O
unconditional	B-General_Concept
branch	I-General_Concept
(	O
GOTO	O
)	O
that	O
always	O
executed	O
at	O
program	B-Application
completion	O
(	O
the	O
end	O
of	O
the	O
operation	O
stack	B-Application
)	O
to	O
return	O
to	O
the	O
starting	O
instruction	O
of	O
the	O
program	B-Application
(	O
looped	O
back	O
to	O
the	O
beginning	O
of	O
operation	O
stack	B-Application
)	O
.	O
</s>
<s>
This	O
made	O
the	O
creation	O
of	O
conditional	B-Language
branching	I-Language
logic	I-Language
,	O
such	O
as	O
IF-THEN-ELSE	B-Language
,	O
impossible	O
.	O
</s>
