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bc first appeared in Version 6 Unix in 1975. It was written by Lorinda Cherry of Bell Labs as a front end to dc, an arbitrary-precision calculator written by Robert Morris and Cherry. dc performed arbitrary-precision computations specified in reverse Polish notation. bc provided a conventional programming-language interface to the same capability via a simple compiler (a single yacc source ...
These BASIC dialects are optimised for calculator use, combining the advantages of BASIC and keystroke programming. They have little in common with mainstream BASIC. [4] [5] [6] The version for the Ti-89 and subsequent is more fully featured, including the full set of string and character manipulation functions and statements in standard Basic.
Casio calculator character sets are a group of character sets used by various Casio calculators and pocket computers. [1] Code charts. fx-EX series.
The calculator uses the proprietary HP Nut processor produced in a bulk CMOS process and featured continuous memory, whereby the contents of memory are preserved while the calculator is turned off. [13] Though commonplace now, this was still notable in the early 1980s, and is the origin of the "C" in the model name.
Astronomical calculator: The input is a date and one or multiple celestial bodies (usually the sun, moon, planets, planetoids or comets). The program calculates the position of these bodies to the given date and gives a numerical output of the position (usually in right ascension and declination, whereby the used equinox may be settable ...
When a calculator is powered on, it scans the keypad waiting to pick up an electrical signal when a key is pressed. Encoder unit Converts the numbers and functions into binary code. X register and Y register They are number stores where numbers are stored temporarily while doing calculations.
A calculator is a special-purpose device for performing numerical ... This category has the following 3 subcategories, out of 3 total. C. Calculator character sets (6 P)
A calculator character set is a character encoding scheme for a calculator. Examples include: Casio calculator character sets, character sets used by Casio calculators; Hewlett-Packard calculator character sets, character sets used by Hewlett-Packard calculators; Sharp calculator character sets, character sets used by Sharp calculators