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  2. Numeric precision in Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Numeric_precision_in...

    In the second line, the number one is added to the fraction, and again Excel displays only 15 figures. In the third line, one is subtracted from the sum using Excel. Because the sum has only eleven 1s after the decimal, the true difference when ‘1’ is subtracted is three 0s followed by a string of eleven 1s. However, the difference reported ...

  3. Delimiter-separated values - Wikipedia

    en.wikipedia.org/wiki/Delimiter-separated_values

    A delimited text file is a text file used to store data, in which each line represents a single book, company, or other thing, and each line has fields separated by the delimiter. [3] Compared to the kind of flat file that uses spaces to force every field to the same width, a delimited file has the advantage of allowing field values of any length.

  4. Comma-separated values - Wikipedia

    en.wikipedia.org/wiki/Comma-separated_values

    Each record consists of the same number of fields, and these are separated by commas in the CSV file. If the field delimiter itself may appear within a field, fields can be surrounded with quotation marks. [1] The CSV file format is one type of delimiter-separated file format. [2] Delimiters frequently used include the comma, tab, space, and ...

  5. Delimiter - Wikipedia

    en.wikipedia.org/wiki/Delimiter

    A delimiter is a sequence of one or more characters for specifying the boundary between separate, independent regions in plain text, mathematical expressions or other data streams. [ 1 ] [ 2 ] An example of a delimiter is the comma character, which acts as a field delimiter in a sequence of comma-separated values .

  6. Decimal separator - Wikipedia

    en.wikipedia.org/wiki/Decimal_separator

    The Indian numbering system is somewhat more complex: It groups the rightmost three digits altogether (until the hundreds place) and thereafter groups by sets of two digits. For example, one trillion (on the short scale; a million millions) would thus be written as 10,00,00,00,00,000 or 10 kharab. [33]

  7. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    In the figure, the fraction 1/9000 is displayed in Excel. Although this number has a decimal representation that is an infinite string of ones, Excel displays only the leading 15 figures. In the second line, the number one is added to the fraction, and again Excel displays only 15 figures. In the third line, one is subtracted from the sum using ...

  8. First-countable space - Wikipedia

    en.wikipedia.org/wiki/First-countable_space

    One of the most important properties of first-countable spaces is that given a subset , a point lies in the closure of if and only if there exists a sequence = in that converges to . (In other words, every first-countable space is a Fréchet-Urysohn space and thus also a sequential space.)

  9. Operator-precedence parser - Wikipedia

    en.wikipedia.org/wiki/Operator-precedence_parser

    Parsing a number, for example, can require five function calls: one for each non-terminal in the grammar until reaching primary. An operator-precedence parser can do the same more efficiently. [ 1 ] The idea is that we can left associate the arithmetic operations as long as we find operators with the same precedence, but we have to save a ...