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  2. Numeric precision in Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Numeric_precision_in...

    Excel maintains 15 figures in its numbers, but they are not always accurate; mathematically, the bottom line should be the same as the top line, in 'fp-math' the step '1 + 1/9000' leads to a rounding up as the first bit of the 14 bit tail '10111000110010' of the mantissa falling off the table when adding 1 is a '1', this up-rounding is not undone when subtracting the 1 again, since there is no ...

  3. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    Excel for the web is a free lightweight version of Microsoft Excel available as part of Office on the web, which also includes web versions of Microsoft Word and Microsoft PowerPoint. Excel for the web can display most of the features available in the desktop versions of Excel, although it may not be able to insert or edit them.

  4. Media control symbols - Wikipedia

    en.wikipedia.org/wiki/Media_control_symbols

    To identify the switch or switch position by which a faster than normal run (e.g. of tape) is started in the indicated direction. Fast forward: U+23E9 ⏩ #5108B Fast run; fast speed: To identify the switch or switch position by which a faster than normal run (e.g. of tape) is started in the indicated direction.

  5. Anisotropic conductive film - Wikipedia

    en.wikipedia.org/wiki/Anisotropic_conductive_film

    Anisotropic conductive film (ACF) is an adhesive interconnect system that is commonly used in panel display manufacturing, including liquid crystal displays (LCD) and organic light-emitting diode (OLED) technology. In display manufacturing, ACF facilitates the electrical and mechanical connections between the driver electronics and substrates.

  6. Punched card - Wikipedia

    en.wikipedia.org/wiki/Punched_card

    A legacy of the 80 column punched card format is that a display of 80 characters per row was a common choice in the design of character-based terminals. [ 83 ] [ 84 ] As of September 2014, some character interface defaults, such as the command prompt window's width in Microsoft Windows, remain set at 80 columns and some file formats, such as ...

  7. Liquid-crystal display - Wikipedia

    en.wikipedia.org/wiki/Liquid-crystal_display

    A display with only a few defective pixels may be unacceptable if the defective pixels are near each other. LCD panels also commonly have a defect known as clouding, dirty screen effect, or, less commonly, mura, which involves uneven patches of luminance on the panel. It is most visible in dark or black areas of displayed scenes. [144]

  8. Uniformity tape - Wikipedia

    en.wikipedia.org/wiki/Uniformity_tape

    Since the microstructure is small compared to the spacing of the LEDs, no registration of the tape with the LEDs is required. [2] The left image in Figure 2a shows the injection cone angle (+/-42 degrees) of the LED into a light guide with an optically flat entrance face. The right image shows a close-up view of the left image.

  9. Tape diagram - Wikipedia

    en.wikipedia.org/wiki/Tape_diagram

    Please help improve this article by introducing citations to additional sources Find sources: "Tape diagram" – news · newspapers · books · scholar · JSTOR ( April 2024 ) A tape diagram is a rectangular visual model resembling a piece of tape, that is used to assist with the calculation of ratios and addition, subtraction, and commonly ...