<s>
The	O
Casio	O
CFX-9850G	O
series	O
is	O
a	O
series	O
of	O
graphing	B-Application
calculators	I-Application
manufactured	O
by	O
Casio	O
Computer	O
Co.	O
,	O
Ltd	O
.	O
from	O
1996	O
to	O
2008	O
.	O
</s>
<s>
The	O
back	O
of	O
the	O
device	O
shows	O
a	O
slightly	O
protruding	O
battery	O
case	O
cover	O
,	O
which	O
slides	O
out	O
to	O
reveal	O
the	O
compartment	O
for	O
the	O
four	O
AAA	B-Algorithm
alkaline	B-Algorithm
batteries	I-Algorithm
used	O
for	O
primary	O
power	O
,	O
and	O
a	O
CR2032	B-Algorithm
lithium	B-Language
button	B-Algorithm
cell	I-Algorithm
used	O
for	O
memory	O
backup	O
when	O
primary	O
power	O
is	O
down	O
or	O
being	O
changed	O
.	O
</s>
<s>
Battery	O
life	O
for	O
the	O
primary	O
power	O
cells	O
ranges	O
from	O
300	O
hours	O
(	O
LR03	B-Algorithm
battery	O
)	O
to	O
200	O
hours	O
(	O
R03	O
battery	O
)	O
for	O
continuous	O
display	O
of	O
main	O
menu	O
.	O
</s>
<s>
Features	O
include	O
scientific	O
calculations	O
,	O
including	O
calculus	O
,	O
graphing	B-Application
and	O
programming	O
,	O
statistics	O
and	O
matrix	B-Architecture
operations	O
.	O
</s>
<s>
The	O
display	O
has	O
a	O
graphics	B-General_Concept
resolution	I-General_Concept
of	O
127	O
by	O
63	O
pixels	B-Algorithm
(	O
the	O
first	O
row	O
and	O
column	O
of	O
pixels	B-Algorithm
are	O
unusable	O
in	O
graphing	B-Application
)	O
,	O
and	O
a	O
character	O
resolution	B-General_Concept
of	O
21	O
columns	O
by	O
8	O
lines	O
.	O
</s>
<s>
The	O
bottom	O
line	O
is	O
reserved	O
for	O
function	B-Application
key	I-Application
menu	O
tips	O
,	O
and	O
the	O
rest	O
is	O
available	O
for	O
the	O
graphics	O
and	O
character	O
display	O
.	O
</s>
<s>
Graphed	O
areas	O
can	O
be	O
shaded	B-General_Concept
in	O
customizable	O
colors	O
.	O
</s>
<s>
The	O
graph	B-Application
viewport	O
can	O
be	O
resized	O
and	O
shifted	O
(	O
these	O
settings	O
can	O
be	O
saved	O
for	O
later	O
retrieval	O
)	O
,	O
and	O
points	O
along	O
the	O
graph	B-Application
curves	O
can	O
be	O
traced	O
.	O
</s>
<s>
Graph	B-Application
solver	O
tools	O
can	O
also	O
be	O
used	O
to	O
find	O
useful	O
points	O
,	O
such	O
as	O
maxima/minima	O
and	O
intersection	O
points	O
.	O
</s>
<s>
The	O
calculator	O
also	O
has	O
a	O
special	O
section	O
for	O
advanced	O
conic	O
section	O
graphing	B-Application
.	O
</s>
<s>
Dynamic	O
graphing	B-Application
provides	O
all	O
the	O
functionality	O
of	O
regular	O
graphing	B-Application
,	O
but	O
allows	O
the	O
binding	O
of	O
a	O
variable	O
in	O
the	O
graph	B-Application
equation	O
to	O
time	O
over	O
a	O
value	O
range	O
.	O
</s>
<s>
The	O
lists	O
can	O
also	O
be	O
used	O
to	O
feed	O
data	O
into	O
inbuilt	O
statistics	O
operations	O
,	O
producing	O
various	O
statistical	O
figures	O
,	O
performing	O
regression	O
analysis	O
,	O
and	O
generating	O
graphs	O
like	O
scatter	B-Application
and	O
box	B-Application
and	I-Application
whisker	I-Application
plots	I-Application
,	O
among	O
others	O
.	O
</s>
<s>
It	O
has	O
a	O
2.5mm	O
stereo	O
phono	O
plug	O
on	O
one	O
end	O
,	O
the	O
patented	O
electronic	O
circuit	O
inside	O
the	O
plastic	O
bump	O
and	O
a	O
DE-9F	B-Protocol
on	O
the	O
other	O
for	O
connecting	O
to	O
the	O
serial	O
port	O
of	O
a	O
PC	O
.	O
</s>
<s>
For	O
CFX-9850GB	O
PLUS	O
and	O
CFX-9950GB	O
PLUS	O
,	O
inclusion	O
of	O
software	B-Library
library	I-Library
.	O
</s>
<s>
As	O
a	O
higher-end	O
version	O
of	O
the	O
FX-9750G	O
series	O
,	O
The	O
CFX-9850G	O
introduced	O
a	O
number	O
of	O
enhancements	O
over	O
that	O
series	O
,	O
the	O
most	O
noticeable	O
being	O
a	O
color	B-Device
LCD	I-Device
display	O
capable	O
of	O
displaying	O
orange	O
,	O
green	O
,	O
and	O
blue	O
.	O
</s>
<s>
The	O
CFX-9850GB	O
Plus	O
includes	O
a	O
built-in	O
software	B-Library
library	I-Library
,	O
and	O
the	O
CFX-9850GC	O
Plus	O
increases	O
memory	O
from	O
32k	O
to	O
64k	O
.	O
</s>
<s>
Battery	O
life	O
for	O
the	O
primary	O
battery	O
ranges	O
from	O
320	O
hours	O
(	O
LR03	B-Algorithm
battery	O
)	O
to	O
180	O
hours	O
(	O
R03	O
battery	O
)	O
for	O
continuous	O
display	O
of	O
main	O
menu	O
.	O
</s>
<s>
For	O
continuous	O
operation	O
(	O
5/55	O
minutes	O
calculation/display	O
)	O
,	O
battery	O
life	O
ranges	O
from	O
280	O
hours	O
(	O
LR03	B-Algorithm
battery	O
)	O
to	O
160	O
hours	O
(	O
R03	O
battery	O
)	O
.	O
</s>
<s>
The	O
colors	O
are	O
handled	O
much	O
like	O
a	O
multi-level	O
grayscale	O
display	O
,	O
in	O
that	O
altering	O
the	O
contrast	O
of	O
a	O
pixel	B-Algorithm
changes	O
its	O
color	O
.	O
</s>
<s>
The	O
CFX-9850GB	O
PLUS	O
and	O
CFX-9950GB	O
PLUS	O
models	O
have	O
a	O
built-in	O
software	B-Library
library	I-Library
,	O
consisting	O
of	O
programs	O
that	O
perform	O
complicated	O
calculations	O
and	O
data	B-General_Concept
processing	I-General_Concept
.	O
</s>
<s>
These	O
are	O
organized	O
into	O
six	O
sub-libraries	O
,	O
five	O
of	O
them	O
for	O
mathematical	O
computations	O
,	O
and	O
one	O
for	O
scientific	O
instrumentation	B-Application
.	O
</s>
<s>
Battery	O
life	O
for	O
the	O
primary	O
battery	O
ranges	O
from	O
230	O
hours	O
(	O
LR03	B-Algorithm
battery	O
)	O
to	O
140	O
hours	O
(	O
R03	O
battery	O
)	O
for	O
continuous	O
display	O
of	O
main	O
menu	O
.	O
</s>
<s>
Software	B-Library
library	I-Library
is	O
not	O
included	O
.	O
</s>
