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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. Page Up and Page Down keys - Wikipedia

    en.wikipedia.org/wiki/Page_Up_and_Page_Down_keys

    The arrow keys and the scroll wheel can also be used to scroll a document, although usually by smaller incremental distances. Used together with a modifier key, such as Alt, ⌥ Opt, ^Ctrl or a combination thereof, they may act the same as the Page keys.

  4. Non-printing character in word processors - Wikipedia

    en.wikipedia.org/wiki/Non-printing_character_in...

    Non-breaking space (°) is a space character that prevents an automatic line break at its position. Pilcrow (¶) is the symbolic representation of paragraphs. Line break (↵) breaks the current line without new paragraph. It puts lines of text close together. Tab character (→) is used to align text horizontally to the next tab stop.

  5. Slashed zero - Wikipedia

    en.wikipedia.org/wiki/Slashed_zero

    In this usage it was sometimes called communications zero. [1] The slashed zero can be used in stoichiometry to avoid confusion with the symbol for oxygen (capital O). The slashed zero is also used in charting and documenting in the medical and healthcare fields to avoid confusion with the letter "O".

  6. Caret navigation - Wikipedia

    en.wikipedia.org/wiki/Caret_navigation

    In this text navigation mode the ‘cursor’, often depicted as a blinking vertical line, appears within the text on-screen. The user can then navigate throughout the text by using the arrow navigation keys to cause the cursor to move; typically changing the cursor's location in increments of character position horizontally and of text line vertically.

  7. Symbols for zero - Wikipedia

    en.wikipedia.org/wiki/Symbols_for_zero

    The typeface used on most European vehicle registration plates distinguishes the two symbols partially in this manner (having a more rectangular or wider shape for the capital O than the digit 0), but in several countries a further distinction is made by slitting open the digit 0 on the upper right side (as in German plates using the ...

  8. Scrollbar - Wikipedia

    en.wikipedia.org/wiki/Scrollbar

    Examples of horizontal and vertical scrollbars around a text box Examples of vertical scrollbar at right end of Wikipedia home page. A scrollbar is an interaction technique or widget in which continuous text, pictures, or any other content can be scrolled in a predetermined direction (up, down, left, or right) on a computer display, window, or viewport so that all of the content can be viewed ...

  9. Home key - Wikipedia

    en.wikipedia.org/wiki/Home_key

    In macOS single line text fields, the key works like it does in DOS and MS Windows, going back to the days of dumb terminals, where Home moves to the start of the line. In multiline word processors , when the key is pressed, the window scrolls to the top, while the caret position does not change at all; that is, the Home key is tied to the ...