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  2. Scanning electron microscope - Wikipedia

    en.wikipedia.org/wiki/Scanning_electron_microscope

    Image of pollen grains taken on a SEM shows the characteristic depth of field of SEM micrographs M. von Ardenne's first SEM SEM with opened sample chamber Analog type SEM. A scanning electron microscope (SEM) is a type of electron microscope that produces images of a sample by scanning the surface with a focused beam of electrons.

  3. Flat-panel display - Wikipedia

    en.wikipedia.org/wiki/Flat-panel_display

    Information on two types of flat-panel display at the Zürich Hauptbahnhof railway station: an orange LED display (top right) and a LCD screen (bottom) A flat-panel display (FPD) is an electronic display used to display visual content such as text or images. It is present in consumer, medical, transportation, and industrial equipment.

  4. Liquid-crystal display - Wikipedia

    en.wikipedia.org/wiki/Liquid-crystal_display

    Since computer screen images usually have full white somewhere in the image, the backlight will usually be at full intensity, making this "feature" mostly a marketing gimmick for computer monitors, however for TV screens it drastically increases the perceived contrast ratio and dynamic range, improves the viewing angle dependency and ...

  5. Stepped reckoner - Wikipedia

    en.wikipedia.org/wiki/Stepped_reckoner

    Despite the mechanical flaws of the stepped reckoner, it suggested possibilities to future calculator builders. The operating mechanism, invented by Leibniz, called the stepped cylinder or Leibniz wheel, was used in many calculating machines for 200 years, and into the 1970s with the Curta hand calculator.

  6. Electronic centralised aircraft monitor - Wikipedia

    en.wikipedia.org/wiki/Electronic_centralised...

    An electronic centralised aircraft monitoring (ECAM) or electronic centralized aircraft monitoring is a system that monitors aircraft functions and relays them to the pilots. It also produces messages detailing failures and in certain cases, lists procedures to undertake to correct the problem.

  7. Scientific calculator - Wikipedia

    en.wikipedia.org/wiki/Scientific_calculator

    Casio fx-77, a solar-powered digital calculator from the 1980s using a single-line LCD. A scientific calculator is an electronic calculator, either desktop or handheld, designed to perform calculations using basic (addition, subtraction, multiplication, division) and complex (trigonometric, hyperbolic, etc.) mathematical operations and functions.

  8. TI-Nspire series - Wikipedia

    en.wikipedia.org/wiki/TI-Nspire_series

    The CX series were released in the same time frame as the Casio Prizm (fx-CG10/20), [10] Casio's color screen graphing calculator with similar features. The TI-Nspire CX series differ from all previous TI graphing calculator models in that the CX series are the first to use a rechargeable 1,060 mAh lithium-ion battery (upgraded to 1,200 mAh in ...

  9. JAWS (screen reader) - Wikipedia

    en.wikipedia.org/wiki/JAWS_(screen_reader)

    A 2023–2024 screen reader user survey by WebAIM, a web accessibility company, found JAWS to be the most popular desktop/laptop screen reader worldwide for primary usage (at 40.5%), while 60.5% of participants listed it as a commonly used screen reader, ranking it second in this measure behind NVDA. [1]