Casio Algebra FX 2.0 Plus
Type
A graphic calculator from Casio, the Casio Algebra FX 2.0 Plus
Manufacturer	Casio
Introduced	2001
Calculator
Entry mode	Infix
Display type
Display size	128×64 dots
Programming
Programming language(s)	BASIC-like
User memory	144 kibibyte RAM, 768 kibibyte Flash
Other
Power supply	four AAAalkaline batteries
Weight	213 gram

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Graphic calculators made by Casio include the touchscreen ClassPad 300 as well as the models with traditional buttons which can be divided into two main generations listed below.Casio produced the world's first graphing calculator, the fx-7000G.

First Generation[edit]

Original Series[edit]

Casio fx-8000G

First produced in 1985, these include the fx-7000G, fx-6000G, fx-6500G, fx-7200G, fx-7500G, fx-8000G, fx-8500G.

Power Graphic Series (1990)[edit]

Around 1990, the Power Graphic series introduced: F1 through F6 shortcut keys which enabled significantly greater ease of use, polar, parametric and inequality graphs; box and factor zoom; multiple graph scrolling; range initialization; integration; matrix mode; fractions; permutations; combinations; normal probabilities; SI unit symbols;Models: fx-7700G, fx-7700GB, fx-8700G, fx-8700GB. The GB models have a communications port.(French versions: fx-7800G, fx-7800GC, fx-8800G, fx-8800GC).

Also made was the low-end fx-6300G (French: fx-6800G) with a smaller screen and fewer features, and the fx-6200G which didn't have any programming facility.

Icon Menu Power Graphic series (1993)[edit]

Around 1993, the Icon Menu Power Graphic series introduced: An icon-driven menu interface, further increasing ease of use, numerical differentiation; matrices in programs; and an equation solver. Models: fx-7700GE, later renamed fx-7700GH.(French version: fx-7900GC)

Additionally there were models with 24K memory which introduced: dynamic graphing; complex numbers; table mode; more advanced equation solver; larger matrices (255x255); sigma calculations; graph solver for roots, intercepts, max and mins. These include the fx-9700GE, later renamed fx-9700GH (wider screen) and the CFX-9800G (3-color screen).(French versions: fx-9900GC, CFX-9900GC)

Also made with an icon menu but none of the above features was the fx-7300G (French: fx-6900G).

Second Generation[edit]

9850 series (9750/9850/9950/9970)[edit]

Casio CFX-9850GB Plus
Type
Casio CFX-9850GB Plus
Manufacturer	Casio
Introduced	1998
Calculator
Entry mode	Infix
Display type
Display size	128×64 dots
Programming
Programming language(s)	BASIC-like
User memory	32 kibibyte
Other
Power supply	four AAAalkaline batteries
Weight	190 gram

First manufactured in 1996, there have been numerous variations of the CFX-9850G. The 9850 series models have 3-colour screens apart from the fx-9750G which is black and white. The 9950G has 64k memory compared to the 32k of the original 9850G. The 9970G has symbolic algebra. Later versions such as Ga, GB and GC models fixed some bugs from the original G model and added some stats and finance features. The GB models have a built-in software library.

(French versions: 9750=Graph 30,35,fx-8930GT; 9850,9950=Graph 60,65,CFX-9930GT,9940,9960; 9970=Graph 80)

7400 Series[edit]

First made in the year 1996, this series is like a cut-down version of the 9850 series. For instance it does not have the commands Getkey, Locate, Text or matrices or complex numbers, and the screen is smaller.

Models: fx-7400G, fx-7400G Plus, fx-7450G, fx-7400G Plus GY (French versions: fx-6910G, Graph 20, Graph 25, FX-7400G II

Algebra FX series[edit]

First made in the year 1999, these have flash memory which provides larger capacity than previous models, however due to the short lifespan of the original flash memory used, these calculators stop working after a few years. Casio has stated that this problem has been fixed. The Algebra FX 2.0 versions have symbolic algebra, while the FX 1.0 versions do not. There are community written tools for accessing the ROM-DOS operating system thus allowing C and Pascal compilers to be used.

Models: Algebra FX 2.0, FX 1.0, Algebra FX 2.0 Plus, FX 1.0 Plus (French versions: Graph 100, Graph 100+)

9860 G/GII series[edit]

First made in the year 2005, the 9860 models are much faster than previous models and can be programmed in C/C++ using the official software development kit.

In 2009 the GII models were produced along with a corresponding OS update for the original 9860G, with new functions gcd/lcm/mod, random integer, units conversion, string functions, and new probability and inverse probability distributions available within programs. The 9860G OS update was not absolutely identical to an actual 9860GII model.

The fx-9860G Slim and fx-9860GII have a backlight display.

Models: fx-9860G, fx-9860G SD, fx-9860G Slim, fx-9860GII, fx-9860GII SD, fx-9750GII, fx-7400GII (French versions: Graph 85, Graph 85 SD, Graph 85 Slim, Graph 75, Graph 95, Graph 35+ USB, Graph 25+ Pro)

Australia only: fx-9860G AU, fx-9860G AU Plus

The fx-9750GII and fx-7400GII are low-budget versions with restricted OS functionality. Also, the fx-7400GII does not have a USB 1.1 port.

The architecture of the 9750GII is similar to the 9860GII and therefore the former can be unofficially upgraded to the latter Operating System offering more features particularly pretty printed equations and Vector arithmetic. This is not supported by Casio.

fx-CG Prizm series[edit]

Announced for January 2011, these models have a high-resolution color display (396x224 screen with 384x216 pixels (21x8 characters) window^[1] with 2¹⁶ colors), a USB 2.0 port, 16 MB of flash memory and a feature called Picture Plot.^[2] The Prizm is permitted on all major standardized tests including ACT, SAT, AP, GCSE and GCE examinations.^[3] The only known difference between the fx-CG10 and the fx-CG20 Prizm versions is that the fx-CG10 cannot open picture files that have been edited by users.^[4] SD card slot is no longer available. The processor is based on a custom Renesas SH4-A family SH7305 CPU.^[5]

Additional features over fx-9860GII include:

Real time integration display
Random sample in probability calculations
Conditional format in spreadsheet
preloaded Picture Plot
Preloaded Metric conversion
USB connection to computer now treats calculator as mass storage device

Although no official SDK has been released yet, several community SDKs exist using either some of the fx-9860G SDK tools or parts of the GNU toolchain.^[6] The Prizm Mini-SDK originally required Casio fx-9860 SDK to function,^[7] which was later replaced by PrizmSDK.^[8]

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