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  2. Directorate General of GST Intelligence - Wikipedia

    en.wikipedia.org/wiki/Directorate_General_of_GST...

    The Directorate General of Goods and Service Tax Intelligence (DGGI) is a law enforcement agency under the Ministry of Finance responsible for fighting tax evasion in India. [1] It was founded in 1979 as the Directorate General of Anti-Evasion and was later renamed the Directorate General of Central Excise Intelligence.

  3. 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 ...

  4. Digit Cancellation Test - Wikipedia

    en.wikipedia.org/wiki/Digit_Cancellation_Test

    A neuropsychological test used in the diagnosis of Alzheimer's disease. The subject gets one of more digits s/he has to cross out from a list of numbers. The resulting score consists of the correctly crossed out numbers minus the incorrectly crossed out numbers.

  5. Code 128 - Wikipedia

    en.wikipedia.org/wiki/Code_128

    The widths value is derived by counting the length of each run of 1's then 0's in the pattern, starting from the left. There will always be 6 runs and the lengths of these 6 runs form the Widths value. For example, using the pattern 10100011000, the run lengths are 1 (digit 1), 1 (digit 0), 1 (digit 1), 3 (digit 0), 2 (digit 1), 3 (digit 0).

  6. dc (computer program) - Wikipedia

    en.wikipedia.org/wiki/Dc_(computer_program)

    dc (desk calculator) is a cross-platform reverse-Polish calculator which supports arbitrary-precision arithmetic. [1] It was written by Lorinda Cherry and Robert Morris at Bell Labs. [2] It is one of the oldest Unix utilities, preceding even the invention of the C programming language. Like other utilities of that vintage, it has a powerful set ...

  7. HP-16C - Wikipedia

    en.wikipedia.org/wiki/HP-16C

    HP has never made another calculator specifically for programmers, [2] but has incorporated many of the HP-16C's functions in later scientific and graphing calculators, for example the HP-42S (1988) and its successors. Like many other vintage HP calculators, the HP-16C is now highly sought-after by collectors. [14]

  8. Damm algorithm - Wikipedia

    en.wikipedia.org/wiki/Damm_algorithm

    The validity of a digit sequence containing a check digit is defined over a quasigroup. A quasigroup table ready for use can be taken from Damm's dissertation (pages 98, 106, 111). [ 3 ] It is useful if each main diagonal entry is 0 , [ 1 ] because it simplifies the check digit calculation.

  9. Luhn algorithm - Wikipedia

    en.wikipedia.org/wiki/Luhn_algorithm

    The check digit is computed as follows: Drop the check digit from the number (if it's already present). This leaves the payload. Start with the payload digits. Moving from right to left, double every second digit, starting from the last digit. If doubling a digit results in a value > 9, subtract 9 from it (or sum its digits).