Casio graphic calculators

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Original Series
Icon Power Graphic Menu Series

CFX-9800G
Type	Programmable Graphing
Introduced	1985
Discontinued	1996
Calculator
Entry mode	Infix
Display type	LCD Dot-matrix
Display size	96×64 pixels / 8 * 16 characters 128×64 pixels
Programming
Programming language(s)	Casio BASIC
User memory	147.5 kilobyte RAM, 786 kilobyte Flash
Other
Power supply	3 × CR2032 Lithium batteries four AAA alkaline batteries with 1 × CR2032 backup battery
Weight	155.5–213 grams

Japanese electronics company Casio produced the world's first graphing calculator, the fx-7000G. Subsequent models consist of three generations mentioned in the below headings.