<s>
The	O
TI-82	B-Device
is	O
a	O
graphing	B-Application
calculator	I-Application
made	O
by	O
Texas	O
Instruments	O
.	O
</s>
<s>
The	O
TI-82	B-Device
was	O
designed	O
in	O
1993	O
as	O
a	O
stripped	O
down	O
,	O
more	O
user	O
friendly	O
version	O
of	O
the	O
TI-85	B-Device
,	O
and	O
as	O
a	O
replacement	O
for	O
the	O
TI-81	B-Device
.	O
</s>
<s>
It	O
was	O
the	O
direct	O
predecessor	O
of	O
the	O
TI-83	B-Device
.	O
</s>
<s>
It	O
shares	O
with	O
the	O
TI-85	B-Device
a	O
6	O
MHz	O
Zilog	B-General_Concept
Z80	I-General_Concept
microprocessor	B-Architecture
.	O
</s>
<s>
Like	O
the	O
TI-81	B-Device
,	O
the	O
TI-82	B-Device
features	O
a	O
96x64	O
pixel	O
display	B-Device
,	O
and	O
the	O
core	O
feature	O
set	O
of	O
the	O
TI-81	B-Device
with	O
many	O
new	O
features	O
.	O
</s>
<s>
The	O
TI-82	B-Device
is	O
powered	O
by	O
the	O
same	O
processor	O
that	O
powered	O
its	O
cousin	O
,	O
the	O
TI-85	B-Device
,	O
a	O
6	O
MHz	O
Zilog	B-General_Concept
Z80	I-General_Concept
microprocessor	B-Architecture
.	O
</s>
<s>
This	O
was	O
an	O
improvement	O
over	O
the	O
TI-81	B-Device
'	O
s	O
2MHz	O
Z80	B-General_Concept
processor	O
.	O
</s>
<s>
In	O
addition	O
,	O
the	O
available	O
RAM	B-Architecture
was	O
increased	O
more	O
than	O
tenfold	O
–	O
from	O
2400	O
bytes	B-Application
to	O
28734	O
bytes	B-Application
(	O
slightly	O
more	O
than	O
the	O
TI-85	B-Device
)	O
.	O
</s>
<s>
Some	O
of	O
the	O
more	O
notable	O
improvements	O
of	O
the	O
TI-82	B-Device
over	O
the	O
TI-81	B-Device
include	O
the	O
following	O
:	O
the	O
addition	O
of	O
a	O
link	O
port	O
to	O
enable	O
programs	O
and	O
other	O
data	O
to	O
be	O
transferred	O
between	O
two	O
calculators	O
or	O
between	O
a	O
calculator	O
and	O
a	O
computer	O
;	O
the	O
addition	O
of	O
two	O
new	O
graphing	O
types	O
–	O
polar	O
and	O
sequence	O
,	O
the	O
addition	O
of	O
a	O
new	O
type	O
of	O
data	O
–	O
the	O
list	O
,	O
the	O
expansion	O
of	O
the	O
size	O
limit	O
of	O
matrices	O
to	O
50x50	O
,	O
and	O
the	O
(	O
unintentional	O
)	O
addition	O
of	O
the	O
ability	O
to	O
program	O
the	O
calculator	O
in	O
assembly	B-Language
language	I-Language
.	O
</s>
<s>
The	O
last	O
of	O
these	O
provided	O
a	O
significant	O
boost	O
in	O
interest	O
in	O
the	O
programmability	O
of	O
the	O
calculator	O
,	O
as	O
the	O
use	O
of	O
assembly	B-Language
language	I-Language
(	O
as	O
opposed	O
to	O
Texas	O
Instruments	O
 '	O
own	O
TI-BASIC	B-Language
)	O
enabled	O
significantly	O
more	O
performance	O
and	O
flexibility	O
with	O
the	O
programs	O
able	O
to	O
be	O
used	O
on	O
the	O
calculator	O
.	O
</s>
<s>
Carried	O
over	O
from	O
the	O
TI-81	B-Device
is	O
the	O
TI-82	B-Device
'	O
s	O
power	O
source	O
–	O
four	O
AAA	B-Algorithm
batteries	I-Algorithm
and	O
one	O
CR1616	B-Algorithm
or	O
CR1620	B-Algorithm
lithium	O
backup	B-Protocol
battery	O
(	O
to	O
ensure	O
programs	O
stored	O
in	O
RAM	B-Architecture
persist	O
when	O
the	O
AAA	B-Algorithm
batteries	I-Algorithm
are	O
being	O
changed	O
)	O
.	O
</s>
<s>
The	O
TI-82	B-Device
was	O
redesigned	O
twice	O
,	O
first	O
in	O
1999	O
and	O
again	O
in	O
2001	O
.	O
</s>
<s>
The	O
1999	O
redesign	O
introduced	O
a	O
design	O
very	O
similar	O
to	O
the	O
TI-73	B-Device
,	O
TI-83	B-Device
Plus	I-Device
,	O
and	O
the	O
TI-89	B-Device
.	O
</s>
<s>
It	O
introduced	O
a	O
more	O
contoured	O
body	O
and	O
eliminated	O
the	O
sloped	O
screen	O
that	O
has	O
been	O
common	O
on	O
TI	O
graphing	B-Application
calculators	I-Application
since	O
the	O
TI-81	B-Device
.	O
</s>
<s>
The	O
2001	O
redesign	O
(	O
nicknamed	O
the	O
TI-82	B-Device
"	O
Parcus	O
"	O
)	O
introduced	O
a	O
slightly	O
different	O
shape	O
to	O
the	O
calculator	O
,	O
eliminated	O
the	O
glossy	O
screen	O
border	O
,	O
and	O
reduced	O
cost	O
by	O
streamlining	O
the	O
printed	O
circuit	O
board	O
to	O
four	O
units	O
.	O
</s>
<s>
An	O
enhanced	O
version	O
of	O
the	O
TI-82	B-Device
,	O
the	O
TI-82	B-Device
STATS	O
,	O
was	O
first	O
released	O
in	O
2004	O
in	O
Europe	O
.	O
</s>
<s>
In	O
specification	O
terms	O
,	O
it	O
is	O
virtually	O
identical	O
to	O
the	O
TI-83	B-Device
.	O
</s>
