<s>
The	O
Sinclair	B-Device
Enterprise	I-Device
was	O
a	O
calculator	O
introduced	O
in	O
1977	O
by	O
Sinclair	O
Radionics	O
.	O
</s>
<s>
The	O
Enterprise	O
calculator	O
was	O
introduced	O
in	O
October	O
1977	O
by	O
Sinclair	O
Radionics	O
with	O
the	O
Enterprise	O
Programmable	B-Application
following	O
in	O
July	O
1978	O
.	O
</s>
<s>
In	O
July	O
1978	O
Sinclair	O
introduced	O
the	O
Enterprise	O
Programmable	B-Application
calculator	I-Application
.	O
</s>
