<s>
MIR	B-Device
(	O
Russian:МИР	O
)	O
is	O
a	O
series	O
of	O
early	O
Soviet	O
transistorized	O
minicomputers	B-Architecture
.	O
</s>
<s>
It	O
was	O
developed	O
from	O
1965	O
(	O
MIR	B-Device
)	O
,	O
1968	O
(	O
MIR-1	B-Algorithm
)	O
to	O
1969	O
(	O
MIR-2	B-Device
)	O
.	O
</s>
<s>
MIR	B-Device
( МИР	O
)	O
stands	O
for	O
«Машина	O
для	O
Инженерных	O
Расчётов»	O
(	O
Machine	O
for	O
Engineering	O
Calculations	O
)	O
and	O
means	O
both	O
"	O
world	O
"	O
and	O
"	O
peace	O
"	O
in	O
Russian	O
.	O
</s>
<s>
Among	O
other	O
innovations	O
,	O
it	O
contained	O
a	O
hardware	O
implementation	O
of	O
a	O
high-level	O
programming	O
language	O
capable	O
of	O
symbolic	B-Algorithm
manipulations	I-Algorithm
with	O
fractions	O
,	O
polynomials	O
,	O
derivatives	B-Algorithm
and	O
integrals	O
.	O
</s>
<s>
Another	O
innovative	O
feature	O
for	O
that	O
time	O
was	O
the	O
user	B-Application
interface	I-Application
combining	O
a	O
keyboard	O
with	O
a	O
monitor	O
and	O
light	B-Device
pen	I-Device
used	O
for	O
correcting	O
texts	O
and	O
drawing	O
on	O
screen	O
.	O
</s>
<s>
Technical	O
specifications	O
for	O
MIR-1	B-Algorithm
:	O
</s>
