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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. Help:Cite errors/Cite error references missing key - Wikipedia

    en.wikipedia.org/wiki/Help:Cite_errors/Cite...

    All references defined in the reference list must be invoked in prior content. Unused references must be removed or commented out, or stripped of their <ref>...</ref> tags and moved to another section, such as "Further reading".

  4. Check digit - Wikipedia

    en.wikipedia.org/wiki/Check_digit

    The final digit of a Universal Product Code, International Article Number, Global Location Number or Global Trade Item Number is a check digit computed as follows: [3] [4]. Add the digits in the odd-numbered positions from the left (first, third, fifth, etc.—not including the check digit) together and multiply by three.

  5. Help:Table - Wikipedia

    en.wikipedia.org/wiki/Help:Table

    Note that although cell C is in column 2, C is the 1st cell declared in row 3, because column 1 is occupied by cell A, which was declared in row 2. Cell G is the only cell declared in row 5, because cell F occupies the other columns but was declared in row 4.

  6. Help:Displaying a formula - Wikipedia

    en.wikipedia.org/wiki/Help:Displaying_a_formula

    The font sizes and types are independent of browser settings or CSS. Font sizes and types will often deviate from what HTML renders. Vertical alignment with the surrounding text can also be a problem; a work-around is described in the "Alignment with normal text flow" section below. The CSS selector of the images is img.tex.

  7. Typesetting - Wikipedia

    en.wikipedia.org/wiki/Typesetting

    During typesetting, individual sorts are picked from a type case with the right hand, and set from left to right into a composing stick held in the left hand, appearing to the typesetter as upside down. As seen in the photo of the composing stick, a lower case 'q' looks like a 'd', a lower case 'b' looks like a 'p', a lower case 'p' looks like ...

  8. Dangling pointer - Wikipedia

    en.wikipedia.org/wiki/Dangling_pointer

    More generally, dangling references and wild references are references that do not resolve to a valid destination. Dangling pointers arise during object destruction , when an object that has an incoming reference is deleted or deallocated, without modifying the value of the pointer, so that the pointer still points to the memory location of the ...

  9. Keyboard shortcut - Wikipedia

    en.wikipedia.org/wiki/Keyboard_shortcut

    The simplest keyboard shortcuts consist of only one key. For these, one generally just writes out the name of the key, as in the message "Press F1 for Help". The name of the key is sometimes surrounded in brackets or similar characters. For example: [F1] or <F1>. The key name may also be set off using special formatting (bold, italic, all caps ...