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  2. List of file formats - Wikipedia

    en.wikipedia.org/wiki/List_of_file_formats

    WK1 – Lotus 1-2-3 up to version 2.01; WK3 – Lotus 1-2-3 version 3.0; WK4 – Lotus 1-2-3 version 4.0; WKS – Lotus 1-2-3; WKS – Microsoft Works; WQ1 – Quattro Pro DOS version; XLK – Microsoft Excel worksheet backup; XLS – Microsoft Excel worksheet sheet (97–2003) XLSB – Microsoft Excel binary workbook; XLSM – Microsoft Excel ...

  3. VAT identification number - Wikipedia

    en.wikipedia.org/wiki/VAT_identification_number

    The GD and HA formats may also be formatted as GB888 8xxx yy for EU compatibility, where xxx is the 3-digit number from the short format and yy is the 2-digit modulus-97 check number. [ 40 ] Isle of Man registrations share the 9- and 12-digit formats with the UK, with GB as the country code prefix, but are distinguished by having 00 as the ...

  4. Single-precision floating-point format - Wikipedia

    en.wikipedia.org/wiki/Single-precision_floating...

    bit 23 = 1 bit 22 = 0.5 bit 21 = 0.25 bit 20 = 0.125 bit 19 = 0.0625 bit 18 = 0.03125 bit 17 = 0.015625 . . bit 6 = 0.00000762939453125 bit 5 = 0.000003814697265625 bit 4 = 0.0000019073486328125 bit 3 = 0.00000095367431640625 bit 2 = 0.000000476837158203125 bit 1 = 0.0000002384185791015625 bit 0 = 0.00000011920928955078125

  5. Comparison of executable file formats - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_executable...

    Format name Operating system Filename extension Explicit processor declarations Arbitrary sections Metadata [a] Digital signature String table Symbol table 64-bit Fat binaries Can contain icon; ELF: Unix-like, OpenVMS, BeOS from R4 onwards, Haiku, SerenityOS: none Yes by file Yes Yes Extension [1] Yes Yes [2] Yes Extension [3] Extension [4] PE

  6. Executable and Linkable Format - Wikipedia

    en.wikipedia.org/wiki/Executable_and_Linkable_Format

    2: e_ehsize: Contains the size of this header, normally 64 Bytes for 64-bit and 52 Bytes for 32-bit format. 0x2A: 0x36: 2: e_phentsize: Contains the size of a program header table entry. As explained below, this will typically be 0x20 (32 bit) or 0x38 (56 bit). 0x2C: 0x38: 2: e_phnum: Contains the number of entries in the program header table ...

  7. Double-precision floating-point format - Wikipedia

    en.wikipedia.org/wiki/Double-precision_floating...

    In the IEEE 754 standard, the 64-bit base-2 format is officially referred to as binary64; it was called double in IEEE 754-1985. IEEE 754 specifies additional floating-point formats, including 32-bit base-2 single precision and, more recently, base-10 representations (decimal floating point).

  8. Exif - Wikipedia

    en.wikipedia.org/wiki/Exif

    Version 2.21 (with Adobe RGB support) is dated 11 July 2003, but was released in September 2003 following the release of DCF 2.0. Version 2.3 was released on 26 April 2010, and revised to 2.31 in July 2013 and revised to 2.32 on 17 May 2019, was jointly formulated by JEITA and CIPA. The latest version, 3.0, was released in May 2023, and brings ...

  9. Microsoft Binary Format - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Binary_Format

    As an 8-bit exponent was not wide enough for some operations desired for double-precision numbers, e.g. to store the product of two 32-bit numbers, [1] Intel's proposal and a counter-proposal from DEC used 11 bits, like the time-tested 60-bit floating-point format of the CDC 6600 from 1965.