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  2. Casio FX-702P - Wikipedia

    en.wikipedia.org/wiki/Casio_FX-702P

    The FX-702P uses the FA-2 interface which is also used by the Casio FX-602P series.The interface features a Kansas City standard Compact Cassette interface and printer port for the FP-10 thermal printer.

  3. Ink ribbon - Wikipedia

    en.wikipedia.org/wiki/Ink_ribbon

    Ink ribbons are part of standard designs for hand- or motor-driven typewriters, teleprinters, stenotype machines, computer-driven printers, and many mechanical calculators. Thousands of varieties of ink ribbons and ribbon cartridges have been produced, and are available from stationery suppliers.

  4. Casio calculator character sets - Wikipedia

    en.wikipedia.org/wiki/Casio_calculator_character...

    Print/export Download as PDF; Printable version ... move to sidebar hide. Casio calculator character sets are a group of character sets used by various Casio ...

  5. Category:Casio calculators - Wikipedia

    en.wikipedia.org/wiki/Category:Casio_calculators

    Print/export Download as PDF; Printable version; In other projects ... Pages in category "Casio calculators" The following 15 pages are in this category, out of 15 ...

  6. Casio - Wikipedia

    en.wikipedia.org/wiki/Casio

    Casio was established as Kashio Seisakujo in April 1946 by Tadao Kashio [] (1917–1993), an engineer specializing in fabrication technology. [1] Kashio's first major product was the yubiwa pipe, a finger ring that would hold a cigarette, allowing the wearer to smoke the cigarette down to its nub while also leaving the wearer's hands free. [6]

  7. Casio graphic calculators - Wikipedia

    en.wikipedia.org/wiki/Casio_graphic_calculators

    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 ...

  8. Printer tracking dots - Wikipedia

    en.wikipedia.org/wiki/Printer_tracking_dots

    Printer tracking dots, also known as printer steganography, DocuColor tracking dots, yellow dots, secret dots, or a machine identification code (MIC), is a digital watermark which many color laser printers and photocopiers produce on every printed page that identifies the specific device that was used to print the document.

  9. Adding machine - Wikipedia

    en.wikipedia.org/wiki/Adding_machine

    A manual adding machine manufactured in the 1950s. Subtraction was impossible, except by adding the complement of a number (for instance, subtract 2.50 by adding 9,997.50). Multiplication was a simple process of keying in the numbers one or more columns to the left and repeating the "addition" process.