Compare 6 products

	Casio FX-85GTX	Casio FX-991EX	Casio FX-CG50	Casio Petite FX	Texas Instruments TI-84 Plus	Texas Instruments TI-84 Plus CE
Available colors

Technical details
Type	Scientific calculator	Scientific calculator	Graphing calculator	Basic calculator	Scientific calculator	Graphing calculator

Design
Colour of product	Black	Black Black,White	Black Black,White	Blue Pink	Black Blue Blue,Silver Pink Silver	Black Blue Grey Silver White
Control type	Buttons	Buttons	Buttons	Buttons	Buttons	N/A
Form factor	Pocket	Pocket	Pocket	Pocket	Pocket	N/A
Cover	no	no	no	yes	no	N/A
Digit comma separator	N/A	yes	N/A	yes	N/A	N/A
Housing material	N/A	N/A	Plastic	Plastic	N/A	N/A

Power
Power source	Battery	Solar Battery	Battery	Battery	Battery	N/A
Battery type	LR44	LR44	AAA	LR54	AAA	Li-Ion
Number of batteries required	1	1	4	1	4	N/A
Battery operated	N/A	yes	yes	N/A	yes	yes
External power connection	N/A	Solar cell External source	USB	N/A	External source USB	USB
Auto power off	N/A	N/A	yes	yes	N/A	N/A