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  2. List of radioactive nuclides by half-life - Wikipedia

    en.wikipedia.org/wiki/List_of_radioactive...

    This is a list of radioactive nuclides (sometimes also called isotopes), ordered by half-life from shortest to longest, in seconds, minutes, hours, days and years. Current methods make it difficult to measure half-lives between approximately 10 −19 and 10 −10 seconds. [1]

  3. Time of useful consciousness - Wikipedia

    en.wikipedia.org/wiki/Time_of_useful_consciousness

    3 to 5 minutes 1.5 to 3.5 minutes FL280 (28,000 ft; 8,550 m) 2.5 to 3 minutes 1.25 to 1.5 minutes FL300 (30,000 ft; 9,150 m) 1 to 2 minutes 30 to 60 seconds FL350 (35,000 ft; 10,650 m) 30 to 60 seconds 15 to 30 seconds FL400 (40,000 ft; 12,200 m) 15 to 20 seconds 7 to 10 seconds FL430 (43,000 ft; 13,100 m) 9 to 12 seconds 5 to 6 seconds

  4. Software calculator - Wikipedia

    en.wikipedia.org/wiki/Software_calculator

    Love calculator: The input is two names, and there is a button to work out the compatibility, as a percentage, of two people with these names. Formula weight calculator : The input is a chemical molecular formula , using the periodic-table symbols and notation, and there is a button to work out the percentages of its constituents.

  5. Decimal time - Wikipedia

    en.wikipedia.org/wiki/Decimal_time

    Units were either written out in full, or abbreviated. Thus, five hours eighty three minutes decimal might be written as 5 h. 83 m. Even today, "h" is commonly used in France to separate hours and minutes of 24-hour time, instead of a colon, such as 14h00. Midnight was represented in civil records as "ten hours".

  6. Orders of magnitude (time) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(time)

    single seconds (1 das = 10 s) 6 das: One minute (min), the time it takes a second hand to cycle around a clock face 10 2: hectosecond hs minutes (1 hs = 1 min 40 s = 100 s) 2 hs (3 min 20 s): The average length of the most popular YouTube videos as of January 2017 [15] 5.55 hs (9 min 12 s): The longest videos in the above study

  7. Hexadecimal time - Wikipedia

    en.wikipedia.org/wiki/Hexadecimal_time

    Hexadecimal time is the representation of the time of day as a hexadecimal number in the interval [0, 1). The day is divided into 10 16 (16 10 ) hexadecimal hours, each hour into 100 16 (256 10 ) hexadecimal minutes, and each minute into 10 16 (16 10 ) hexadecimal seconds.

  8. CPU time - Wikipedia

    en.wikipedia.org/wiki/CPU_time

    This process took a total of 0.02 seconds of CPU time (User + System). The reported System time is 0.00 seconds, indicating that the amount of System time used was less than the printed resolution of 0.01 seconds. Elapsed real time was 0.08 seconds. The following is the source code of the application nextPrimeNumber which was used in the above ...

  9. Windows Calculator - Wikipedia

    en.wikipedia.org/wiki/Windows_Calculator

    A simple arithmetic calculator was first included with Windows 1.0. [5]In Windows 3.0, a scientific mode was added, which included exponents and roots, logarithms, factorial-based functions, trigonometry (supports radian, degree and gradians angles), base conversions (2, 8, 10, 16), logic operations, statistical functions such as single variable statistics and linear regression.