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On a single-step or immediate-execution calculator, the user presses a key for each operation, calculating all the intermediate results, before the final value is shown. [1] [2] [3] On an expression or formula calculator, one types in an expression and then presses a key, such as "=" or "Enter", to evaluate the expression.
Casio introduced hyperbolic functions in the fx-39 along with their inverses. To accommodate this, the "arc" key of the previous models was changed into the, now familiar, "inv" key. In the previous version, the hyperbolic functions had to be carried out by using the exponential (e^x) function key, employing the formulas:
[1] [10] Another precarious convention used by a small number of authors is to use an uppercase first letter, along with a “ −1 ” superscript: Sin −1 (x), Cos −1 (x), Tan −1 (x), etc. [11] Although it is intended to avoid confusion with the reciprocal, which should be represented by sin −1 (x), cos −1 (x), etc., or, better, by ...
Basis of trigonometry: if two right triangles have equal acute angles, they are similar, so their corresponding side lengths are proportional.. In mathematics, the trigonometric functions (also called circular functions, angle functions or goniometric functions) [1] are real functions which relate an angle of a right-angled triangle to ratios of two side lengths.
A HP-01 calculator watch A CFX-200 scientific calculator watch, it has trigonometric functions and scientific conversion capabilities. 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 ...
Casio calculator character sets are a group of character sets used by various Casio calculators and pocket computers. [1] Code charts. fx-EX series.
[1] 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.
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 ...
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