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  2. Face ID - Wikipedia

    en.wikipedia.org/wiki/Face_ID

    Face ID is a biometric authentication facial recognition system designed and developed by Apple Inc. for the iPhone and iPad Pro.The system can be used for unlocking a device, [1] making payments, accessing sensitive data, providing detailed facial expression tracking for Animoji, as well as six degrees of freedom (6DOF) head-tracking, eye-tracking, and other features.

  3. Numbers (spreadsheet) - Wikipedia

    en.wikipedia.org/wiki/Numbers_(spreadsheet)

    Numbers works in a fashion somewhat different from traditional spreadsheets like Microsoft Excel or Lotus 1-2-3.In the traditional model, the table is the first-class citizen of the system, acting as both the primary interface for work and as the container for other types of media like charts or digital images.

  4. Cheat sheet - Wikipedia

    en.wikipedia.org/wiki/Cheat_sheet

    A cheat sheet that is used contrary to the rules of an exam may need to be small enough to conceal in the palm of the hand Cheat sheet in front of a juice box. A cheat sheet (also cheatsheet) or crib sheet is a concise set of notes used for quick reference. Cheat sheets were historically used by students without an instructor or teacher's ...

  5. VisiCalc - Wikipedia

    en.wikipedia.org/wiki/VisiCalc

    VisiCalc ("visible calculator") [1] is the first spreadsheet computer program for personal computers, [2] originally released for the Apple II by VisiCorp on October 17, 1979. [1] [3] It is considered the killer application for the Apple II, [4] turning the microcomputer from a hobby for computer enthusiasts into a serious business tool, and then prompting IBM to introduce the IBM PC two years ...

  6. Spreadsheet - Wikipedia

    en.wikipedia.org/wiki/Spreadsheet

    Worksheets are normally represented by tabs that flip between pages, each one containing one of the sheets, although Numbers changes this model significantly. Cells in a multi-sheet book add the sheet name to their reference, for instance, "Sheet 1!C10". Some systems extend this syntax to allow cell references to different workbooks.

  7. Mnemonic - Wikipedia

    en.wikipedia.org/wiki/Mnemonic

    It can be adapted to similar equations e.g. F = ma, v = fλ, E = mcΔT, V = π r 2 h and τ = rF sinθ / - for more examples, see this SVG cheat sheet on Wikimedia Commons. When a variable with an exponent or in a function is covered, the corresponding inverse is applied to the remainder, i.e. r = √ ⁠ V / π h ⁠ and θ = arcsin ⁠ τ ...

  8. FaceTime - Wikipedia

    en.wikipedia.org/wiki/FaceTime

    FaceTime is a proprietary videotelephony product developed by Apple.FaceTime is available on supported iOS mobile devices running iOS 4 and later and Mac computers that run Mac OS X 10.6.6 and later.

  9. Macintosh startup - Wikipedia

    en.wikipedia.org/wiki/Macintosh_startup

    An Apple PowerBook 180c displaying the Happy Mac during the startup process. In all instances, the startup chimes will be heard upon completion of the boot process (if successful), and a Happy Mac (or the Apple logo on newer versions) will be displayed on the screen to visually indicate that no hardware issues were found during the boot process.