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Casio graphic calculators

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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.

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35-581: First produced in 1985, these include the fx-7000G , fx-6000G, fx-6500G, fx-7200G, fx-7500G, fx-8000G, fx-8500G. 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

70-402: A BASIC -like programming language but variable names are restricted to single letters A-Z which are shared by all programs including subroutines which are stored as separate programs. This means there are no local variables , they are all global . These variables are also shared by other functions of the calculator. For example, drawing a graph will overwrite the X and Y values. Micropython

105-698: 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 functionality. 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;

140-466: A different version of python called MicroPython built in the graphing calculator, allowing the user to upload or write Python scripts on the calculator. Casio fx-7000G The Casio FX-7000G is a calculator which is widely known as being the world's first graphing calculator available to the public. It was introduced to the public and later manufactured between 1985 and c. 1988. Notable features are its ability to graph functions, and that it

175-448: A faster processor clock-speed and a Micropython interpreter. The top-of-the-line 9860 GIII however, does not include a backlit display. The updated models also forgo the FA124 program used to connect the calculator to a PC/laptop and can be connected directly as a flash storage device. Unlike the 9750 GII, the 9750 GIII sports the same feature set as the 9860 GIII with the only difference being

210-493: A 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). First manufactured in 1996, there have been numerous variations of

245-571: A platform-specific app. For example, the development of an Android app on the Java platform requires a Java Development Kit . For iOS applications (apps) the iOS SDK is required. For Universal Windows Platform the .NET Framework SDK might be used. There are also SDKs that add additional features and can be installed in apps to provide analytics, data about application activity, and monetization options. Some prominent creators of these types of SDKs include Google, Smaato, InMobi, and Facebook. An SDK can take

280-555: Is programmable . The calculator offers 82 scientific functions and is capable of manual computation for basic arithmetic problems. The calculator can compute basic arithmetic functions with a precision up to 13 digits. Many functions integrated into the calculator include arithmetic and algebraic computations such as: Other specialized functions also implemented into the calculator include hyperbolic and statistical functions, binary / octal / hexadecimal / sexagesimal conversions and graph plotting. Like many Casio calculators,

315-641: Is around 120 hours which is shorter in length compared to similar models. Software development kit A software development kit ( SDK ) is a collection of software development tools in one installable package. They facilitate the creation of applications by having a compiler, debugger and sometimes a software framework . They are normally specific to a hardware platform and operating system combination. To create applications with advanced functionalities such as advertisements, push notifications, etc; most application software developers use specific software development kits. Some SDKs are required for developing

350-413: Is essentially 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 First made in 1999, these have flash memory which provides larger capacity than previous models, however due to

385-552: The Defm command so that Z[1], Z[2] etc. can be used depending on how much unused memory capacity is available. Compared to the first generation models these have many more commands including: For and While Loops, If.. Then structures and the ability for real-time user interaction with the Getkey command and the ability to place characters anywhere on the screen with the Locate and Text commands. Also

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420-853: The GNU Lesser General Public License are typically usable for proprietary development. In cases where the underlying technology is new, SDKs may include hardware. For example, AirTag 's 2012 near-field communication SDK included both the paying and the reading halves of the necessary hardware stack. The average Android mobile app implements 15.6 separate SDKs, with gaming apps implementing on average 17.5 different SDKs. The most popular SDK categories for Android mobile apps are analytics and advertising. SDKs can be unsafe (because they are implemented within apps yet run separate code). Malicious SDKs (with honest intentions or not) can violate users' data privacy , damage app performance, or even cause apps to be banned from Google Play or

455-602: The GNU toolchain . The Prizm Mini-SDK originally required Casio fx-9860 SDK to function, which was later replaced by PrizmSDK. An updated model, called the fx-CG50 or Graph 90+E in France, was released in January 2017 with a more modern design (similar to the Classwiz scientific calculators) and a faster processor. The main menu screen has also been redesigned. Apart from that, it was very similar to

490-512: 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

525-579: 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) First made in 1996, this series

560-483: The Classwiz series according to Casio. A big change as compared to the PRIZM series is the non-availability of Casio BASIC programming language in the new calculator instead relying on only Python for programming as well as a more simplified exam mode. Another major change in the keyboard layout is the removal of function keys and their replacement with the directional keys for accessing the menu system. The calculator also adopts

595-505: The FX-7000G includes a programming mode, in addition to its display and graphing mode. It holds 422 bytes of programming memory, less than half a kilobyte. However the calculator does allow for expanded/additional memory by a method of reducing the number of steps within a program. This is done by optimizing the number of steps a program has to fill a single unit of memory, instead of several. The user may save any program they create or are in

630-615: The LCD display window as well. Keys are labeled and printed on orange, green, blue, red, and black malleable buttons. The calculator's dimensions (width, height, depth) are 83.5 mm × 167 mm × 14 mm (3.29 in × 6.57 in × 0.55 in). It has an approximate mass of 155.5 g (5.49 oz) including batteries. The Casio Fx-7000G needs a 9.0 volt DC current lithium battery supply provided by 3 CR2032 type cells. The calculator does not accept an AC adapter and only uses batteries. The average battery life

665-436: The amount of memory being used. The User Manual programming catalog is written in these symbols, allowing for lengthier programs to be written with less effort and less memory. One example is a program which estimates a definite integral through the use of Simpson's Rule ; this can be found within the user manual for reference. The calculator has 26 numeric memories as standard. Additional memories can be created by reducing

700-425: The color scheme and the storage available to the user. Announced for January 2011, these models have a high-resolution color display (396x224 screen with 384×216 pixels (21×8 characters) window with 2 colors), a USB 2.0 port, 16 MB of flash memory and a feature called Picture Plot. The Prizm is permitted on all major standardized tests including ACT, SAT, AP, GCSE and GCE examinations. The only known difference between

735-412: The display window. When set into character mode the calculator can display up to sixteen characters on each of its eight display lines. This sixteen character by eight line display is screened on the 96 × 64 dot matrix. The LCD is not capable of colour or grey scale display. A black casing surrounds the calculator along with a metal panel implemented on the rear; a large plastic screen protects

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770-531: The form of application programming interfaces in the form of on-device libraries of reusable functions used to interface to a particular programming language , or it may be as complex as hardware-specific tools that can communicate with a particular embedded system . Common tools include debugging facilities and other utilities , often presented in an integrated development environment . SDKs may include sample software and/or technical notes along with documentation, and tutorials to help clarify points made by

805-487: 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 later Operating System offering more features particularly pretty printed equations and Vector arithmetic. This is not supported by Casio . The 7400, 9750 and 9860 GIII series was introduced in 2020 and includes a modern design language, increase in user memory for programming, support for implicit multiplication and

840-413: The fx-CG10 and the fx-CG20 Prizm versions is that the fx-CG10 cannot open picture files that have been edited by users. The SD card slot is no longer available. The processor is based on a custom Renesas SH4-A family SH7305 CPU. Additional features over fx-9860GII include: Although no official SDK has been released yet, several community SDKs exist using either some of the fx-9860G SDK tools or parts of

875-501: The fx-CG10/20 upon release. Subsequent OS updates for the fx-CG50 have further differentiated it from its predecessors, for example the addition of a MicroPython interpreter. The Classwiz CG Series was announced by Casio at the National Council of Teachers of Mathematics (NCTM) conference at Chicago , United States in late September 2024. The Classwiz CG succeeds the fx-CG Prizm Series initially announced in 2011. The first model in

910-427: The fx-CG10/20/50, it is reasonably hard for a user to create their own game. All of the games are coded by the community, based on the community's own SDK, and so feature copies of popular games that could be recoded to work on the device for example Tetris , Pong and Snake ; more complex games can also be coded, however due to storage constraints the size is limited. Some of the newer Casio graphing calculators have

945-417: The method for using array variables was changed to using lists and matrices. Some of the more recent Casio calculators have come with software that allows the user to link the computer to the calculator, download games already written for the calculators or code their own games and then have the software sync it to the device. However, due to the fact that Casio hasn't published a Software Development Kit for

980-552: The number of bytes available for programs. Using this facility allows a total of 78 memories maximum. The calculator has a built in graphing feature which is unique to its model. The calculator can display either built-in graphs that are already programmed or display a user defined graph. The user also has the option to rewrite any of the previously programmed graphs. Statistical graphs can also be generated: bar graphs, line graphs, normal distribution curves, regression lines. The FX-7000G incorporates an LCD Dot Matrix design via

1015-411: The primary reference material. SDKs often include licenses that make them unsuitable for building software intended to be developed under an incompatible license. For example, a proprietary SDK is generally incompatible with free software development, while a GNU General Public License 'd SDK could be incompatible with proprietary software development, for legal reasons. However, SDKs built under

1050-452: The process of creating in one of ten programming slots, a feature also used in the Casio BASIC handheld computer. The calculator uses a tokenized programming language (similar to the earlier FX-602P) which is well suited to writing more complex programs, as memory efficiency is a priority. Tokenization is performed by using characters and symbols in place of long lines of code to minimize

1085-673: The same menu based layout as the Classwiz scientific calculators. In France, the Classwiz CG Series was introduced in March 2024 with reduced functionality and is known as the Graph Math +. A non-programmable variant with a monochrome screen called the Graph Math Light was also introduced in the French market for exams where programmable calculators are not allowed. Casio graphic calculators use

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1120-512: The series, called the fx-CG100, retains the same power source as its predecessors (4 AAA batteries) instead of Li-ion batteries used by contemporary calculators and also adopts a USB C connector for connecting with a computer (instead of a mini-USB connector) while retaining the 2.5 mm I/O connector for connecting to other calculators. The fx-CG100 also adopts a more uniform design language shared with Casio's Classwiz scientific calculators in order to make an easier transition to different models amongst

1155-601: The short lifespan of the original flash memory used, these calculators stop working after a few years. Casio since stated that the problem was resolved. The Algebra FX 2.0 versions have symbolic algebra, while the FX 1.0 versions lack this. 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+) First made in 2005,

1190-636: Was added to Casio graphing from the PRIZM fx-CG50 and the fx-9860 GIII series. From the latest Classwiz CG Series of graphing calculators, a switch was made to Python programming language. Loops are constructed by incrementing or decrementing the value of a variable with the Isz and Dsz commands in conjunction with the Lbl and Goto commands, rather than using simpler For or While commands. Arrays are achieved by overwriting other letters, for example A[0]=A, A[1]=B, A[2]=C. The available space for arrays can be extended with

1225-500: Was not absolutely identical to an actual 9860GII model. The fx-9860G Slim and fx-9860GII have a display backlight which can be turned on and off. 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,

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