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  2. Four-corner method - Wikipedia

    en.wikipedia.org/wiki/Four-Corner_Method

    The code of 法 (pinyin: fǎ; meaning "method/law/France") is an example of a fifth digit for an extra part: 3413 1 (丶十一丶 一). (The numbers refer to the code for the colored part, not the order of entry (which is left to right, top to bottom.)

  3. Excess-3 - Wikipedia

    en.wikipedia.org/wiki/Excess-3

    4-of-8 code extension: As an alternative to the IBM transceiver code [16] (which is a 4-of-8 code with a Hamming distance of 2), [1] it is also possible to define a 4-of-8 excess-3 code extension achieving a Hamming distance of 4, if only denary digits are to be transferred.

  4. Fill-In (puzzle) - Wikipedia

    en.wikipedia.org/wiki/Fill-In_(puzzle)

    A common variation on the standard Fill-In is using numbers, instead of specific words, sometimes called "cross numbers". [1] [8] In this puzzle, the entries could be listed as the number, a mathematical expression, or even an important year. [8] A more complex variation on the Fill-In is the "diagramless" Fill-In, where the grid is initially ...

  5. Hamming (7,4) - Wikipedia

    en.wikipedia.org/wiki/Hamming(7,4)

    p 2 covers d 1, d 3, d 4; p 3 covers d 2, d 3, d 4; The remaining rows (3, 5, 6, 7) map the data to their position in encoded form and there is only 1 in that row so it is an identical copy. In fact, these four rows are linearly independent and form the identity matrix (by design, not coincidence). Also as mentioned above, the three rows of H ...

  6. Knuth's up-arrow notation - Wikipedia

    en.wikipedia.org/wiki/Knuth's_up-arrow_notation

    We place the numbers in the top row, and fill the left column with values 3. To determine a number in the table, take the number immediately to the left, then look up the required number in the previous row, at the position given by the number just taken.

  7. Ternary numeral system - Wikipedia

    en.wikipedia.org/wiki/Ternary_numeral_system

    In this usage, only the fractional part of the number is written in ternary form. [2] [3] Ternary numbers can be used to convey self-similar structures like the Sierpinski triangle or the Cantor set conveniently. Additionally, it turns out that the ternary representation is useful for defining the Cantor set and related point sets, because of ...

  8. The Stargate Project: An Investor's Take - AOL

    www.aol.com/stargate-project-investors-014500282...

    How 20 data centers get a $500 billion price tag. Then, Motley Fool analyst Seth Jayson joins the podcast to walk through why the rooftop solar industry doesn't look so sunny. To catch full ...

  9. 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 ...