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  2. Table of keyboard shortcuts - Wikipedia

    en.wikipedia.org/wiki/Table_of_keyboard_shortcuts

    Alt+⇧ Shift, Ctrl+⇧ Shift, ⊞ Win+Space, ⊞ Win+⇧ Shift+Space Alt + ⇧ Shift changes between languages while Ctrl + ⇧ Shift changes between keyboard layouts of the same language. The latter two display a menu with the currently selected input method highlighted, and debuted in Windows 8.

  3. Shift key - Wikipedia

    en.wikipedia.org/wiki/Shift_key

    Modern Microsoft Windows keyboards typically have only 12 function keys; Shift+F1 must be used to type F13, Shift+F2 for F14, etc. [citation needed] It can modify various control and alt keys. For example, if Alt-Tab is used to cycle through open windows, Shift-Alt-Tab cycles in the reverse order, and using Ctrl-Shift-S could open a "Save as ...

  4. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    Excel 2.0 for Windows, which was modeled after its Mac GUI-based counterpart, indirectly expanded the installed base of the then-nascent Windows environment. Excel 2.0 was released a month before Windows 2.0, and the installed base of Windows was so low at that point in 1987 that Microsoft had to bundle a runtime version of Windows 1.0 with ...

  5. Nowhere continuous function - Wikipedia

    en.wikipedia.org/wiki/Nowhere_continuous_function

    In mathematics, a nowhere continuous function, also called an everywhere discontinuous function, is a function that is not continuous at any point of its domain.If is a function from real numbers to real numbers, then is nowhere continuous if for each point there is some > such that for every >, we can find a point such that | | < and | () |.

  6. Function key - Wikipedia

    en.wikipedia.org/wiki/Function_key

    Mac: The classic Mac OS supported system extensions known generally as FKEYS which could be installed in the System file and could be accessed with a Command-Shift-(number) keystroke combination (Command-Shift-3 was the screen capture function included with the system, and was installed as an FKEY); however, early Macintosh keyboards did not support numbered function keys in the normal sense.

  7. Modifier key - Wikipedia

    en.wikipedia.org/wiki/Modifier_key

    For example, in most keyboard layouts the Shift key combination ⇧ Shift+A will produce a capital letter "A" instead of the default lower-case letter "a" (unless in Caps Lock or Shift lock mode). A combination of Alt + F4 in Microsoft Windows will trigger the shortcut for closing the active window ; in this instance, Alt is the modifier key.

  8. Fn key - Wikipedia

    en.wikipedia.org/wiki/Fn_key

    Fn is a modifier key, and works like other modifiers keys, such as Ctrl, Shift, Alt and AltGr.For a standard modifier key, the microcontroller inside the keyboard sends a scancode for the modifier itself, which is then interpreted by the operating system and combined with other simultaneous key-presses.

  9. Shift operator - Wikipedia

    en.wikipedia.org/wiki/Shift_operator

    ⁠ The shift operator acting on functions of a real variable is a unitary operator on ⁠ (). In both cases, the (left) shift operator satisfies the following commutation relation with the Fourier transform: F T t = M t F , {\displaystyle {\mathcal {F}}T^{t}=M^{t}{\mathcal {F}},} where M t is the multiplication operator by exp( itx ) .