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  2. Computer number format - Wikipedia

    en.wikipedia.org/wiki/Computer_number_format

    2.3434e−6 = 2.3434 × 10 −6 = 2.3434 × 0.000001 = 0.0000023434 The advantage of this scheme is that by using the exponent we can get a much wider range of numbers, even if the number of digits in the significand, or the "numeric precision", is much smaller than the range.

  3. Binary-coded decimal - Wikipedia

    en.wikipedia.org/wiki/Binary-coded_decimal

    EBCDIC [nb 11] systems use a zone value of 1111 2 (F 16), yielding F0 16-F9 16, the codes for "0" through "9", a zone value of 1100 2 (C 16) for positive, yielding C0 16-C9 16, the codes for "{" through "I" and a zone value of 1110 2 (D 16) for negative, yielding D0 16-D9 16, the codes for the characters "}" through "R". Similarly, ASCII ...

  4. Event dispatching thread - Wikipedia

    en.wikipedia.org/wiki/Event_dispatching_thread

    The submitted code must be wrapped with a Runnable object. Two methods of these classes allow: synchronous code execution (SwingUtilities.invokeAndWait(Runnable) or EventQueue.invokeAndWait(Runnable)) and asynchronous code execution (SwingUtilities.invokeLater(Runnable) or EventQueue.invokeLater(Runnable)) from the event dispatching thread.

  5. Two-out-of-five code - Wikipedia

    en.wikipedia.org/wiki/Two-out-of-five_code

    the usual weights assigned to the bit positions are 0-1-2-3-6. However, in this scheme, zero is encoded as binary 01100; strictly speaking the 0-1-2-3-6 previously claimed is just a mnemonic device. [2] The weights give a unique encoding for most digits, but allow two encodings for 3: 0+3 or 10010 and 1+2 or 01100.

  6. Eastern Time Zone - Wikipedia

    en.wikipedia.org/wiki/Eastern_Time_Zone

    Since then, local times change at 2:00 a.m. EST to 3:00 a.m. EDT on the second Sunday in March, and return from 2:00 a.m. EDT to 1:00 a.m. EST on the first Sunday in November. [4] In Canada, daylight saving time begins and ends on the same days and at the same times as it does in the United States. [5] [6]

  7. Decimal separator - Wikipedia

    en.wikipedia.org/wiki/Decimal_separator

    Any such symbol can be called a decimal mark, decimal marker, or decimal sign. Symbol-specific names are also used; decimal point and decimal comma refer to a dot (either baseline or middle ) and comma respectively, when it is used as a decimal separator; these are the usual terms used in English, [ 1 ] [ 2 ] [ 3 ] with the aforementioned ...

  8. Positional notation - Wikipedia

    en.wikipedia.org/wiki/Positional_notation

    If an unknown weight W is balanced with 3 (3 1) on its pan and 1 and 27 (3 0 and 3 3) on the other, then its weight in decimal is 25 or 10 1 1 in balanced base-3. 10 1 1 3 = 1 × 3 3 + 0 × 3 21 × 3 1 + 1 × 3 0 = 25.

  9. Decimal representation - Wikipedia

    en.wikipedia.org/wiki/Decimal_representation

    13 = 0.33333... 1 ⁄ 7 = 0.142857142857... 1318 ⁄ 185 = 7.1243243243... Every time this happens the number is still a rational number (i.e. can alternatively be represented as a ratio of an integer and a positive integer). Also the converse is true: The decimal expansion of a rational number is either finite, or endlessly repeating.