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

  4. Spreadsheet - Wikipedia

    en.wikipedia.org/wiki/Spreadsheet

    The introduction of Lotus 1-2-3 in November 1982 accelerated the acceptance of the IBM Personal Computer. It was written especially for IBM PC DOS and had improvements in speed and graphics compared to VisiCalc on the Apple II, this helped it grow in popularity. [36] Lotus 1-2-3 was the leading spreadsheet for several years.

  5. Tally marks - Wikipedia

    en.wikipedia.org/wiki/Tally_marks

    The so-called Wolf bone is a prehistoric artifact discovered ... dots represent counts from 1 to 4, lines 5 to 8, and diagonal lines 9 and 10. ... The numbers 1, 2, 3 ...

  6. Help : Wikipedia: The Missing Manual/Formatting and ...

    en.wikipedia.org/wiki/Help:Wikipedia:_The...

    The first line of a row has "|-" at the beginning; the row is always two or more lines long; and a row continues until you see another line that starts "|-", indicating that the next row's starting. To test your understanding of editing tables, see if you can answer the following question: In Figure 14-13 , look at the last three rows in the table.

  7. Table (information) - Wikipedia

    en.wikipedia.org/wiki/Table_(information)

    This is an injective relation: each combination of the values of the headers row (row 0, for lack of a better term) and the headers column (column 0 for lack of a better term) is related to a unique cell in the table: Column 1 and row 1 will only correspond to cell (1,1); Column 1 and row 2 will only correspond to cell (2,1) etc.

  8. List of integer sequences - Wikipedia

    en.wikipedia.org/wiki/List_of_integer_sequences

    Name First elements Short description OEIS Kolakoski sequence: 1, 2, 2, 1, 1, 2, 1, 2, 2, 1, ... The n th term describes the length of the n th run : A000002: Euler's ...

  9. Comma-separated values - Wikipedia

    en.wikipedia.org/wiki/Comma-separated_values

    Programs that work with CSV may have limits on the maximum number of rows CSV files can have. Below is a list of common software and its limitations: [34] Microsoft Excel: 1,048,576 row limit; Microsoft PowerShell, no row or cell limit. (Memory Limited) Apple Numbers: 1,000,000 row limit;