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Cemetech (/ ˈ k ɛ m ɛ t ɛ k /) is a programming and hardware development group and developer community founded in 2000. Its primary focus is developing third-party software for TI and Casio graphing calculators, along with a focus on mobile and wearable computing hardware.
The μWatch, an open-source DIY scientific calculator watch Casio CMD-40 calculator watch with built-in remote control The Casio TC500 touch sensor calculator watch from 1983. It uses a capacitive touch screen for the calculator and function buttons. A calculator watch is a digital watch with a built-in calculator, usually including buttons on ...
The Casio CA-53W is a digital calculator watch manufactured by the Japanese electronics company Casio and was introduced in 1988 [1] as a successor to the CA-50. It became famous for its appearance in the American science fiction films Back to the Future Part II (1989) and Back to the Future Part III (1990) [2] and later for appearing in the American TV series Breaking Bad (2008–2013).
The Casio ClassPad 300, ClassPad 330 and fx-CP400 [1] are stylus based touch-screen graphing calculators. It comes with a collection of applications that support self-study, like 3D Graph, Geometry, eActivity, Spreadsheet, etc. A large 160x240 pixel LCD touch screen enables stylus-based operation. It resembles Casio's earlier Pocket Viewer line.
Casio graphic calculators use Casio BASIC, a programming language based on BASIC. 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 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. [2] Notable features are its ability to graph functions, [3] and that it is programmable.
A Casio WVA-200 radio controlled data bank (right) Casio C-80 is the first calculator watch to be ever produced. The Databank CD-40 and CD-401 are the first Databank watches, debuting in 1983. It is one of the first digital watches developed in the 1980s that allows the user to store information, following a Pulsar model released in 1982. [1]
In 1998, the Casio fx-991W model used a two-tier (multi-line) display and the system was termed as S-V.P.A.M. (Super V.P.A.M.). The model featured a 5×6-dot LCD matrix cells on the top line of the screen and a 7-segment LCD on the bottom line of the screen that had been used in Casio fx-4500P programmable calculators. [1]