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  2. Help:Conditional expressions - Wikipedia

    en.wikipedia.org/wiki/Help:Conditional_expressions

    On the other hand, in the expressions evaluated by #expr and #ifexpr, Boolean operators like and, or, and not interpret the numerical value 0 as false and any other number as true. In terms of output, Boolean operations return 1 for a true value and 0 for false (and these are treated as ordinary numbers by the numerical operators).

  3. Zero-based numbering - Wikipedia

    en.wikipedia.org/wiki/Zero-based_numbering

    APL allows setting the index origin to 0 or 1 during runtime programmatically. [9] [10] Some recent languages, such as Lua and Visual Basic, have adopted the same convention for the same reason. Zero is the lowest unsigned integer value, one of the most fundamental types in programming and hardware design.

  4. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    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 Excel 2.0. [124] Unlike Microsoft Word, there never was a DOS version of Excel.

  5. Template:Iferror then show - Wikipedia

    en.wikipedia.org/wiki/Template:Iferror_then_show

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us

  6. Row- and column-major order - Wikipedia

    en.wikipedia.org/wiki/Row-_and_column-major_order

    This convention is carried over to the syntax in programming languages, [2] although often with indexes starting at 0 instead of 1. [3] Even though the row is indicated by the first index and the column by the second index, no grouping order between the dimensions is implied by this. The choice of how to group and order the indices, either by ...

  7. Truth value - Wikipedia

    en.wikipedia.org/wiki/Truth_value

    In C, the number 0 or 0.0 is false, and all other values are treated as true. In JavaScript , the empty string ( "" ), null , undefined , NaN , +0, −0 and false [ 3 ] are sometimes called falsy (of which the complement is truthy ) to distinguish between strictly type-checked and coerced Booleans (see also: JavaScript syntax#Type conversion ...

  8. true and false (commands) - Wikipedia

    en.wikipedia.org/wiki/True_and_false_(commands)

    The true command is sometimes substituted with the very similar null command, [1] written as a single colon (:).The null command is built into the shell, and may therefore be more efficient if true is an external program (true is usually a shell built in function).

  9. Spreadsheet - Wikipedia

    en.wikipedia.org/wiki/Spreadsheet

    In this example, only the values in the A column are entered (10, 20, 30), and the remainder of cells are formulas. Formulas in the B column multiply values from the A column using relative references, and the formula in B4 uses the SUM() function to find the sum of values in the B1:B3 range.