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  2. 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 ...

  3. Round-off error - Wikipedia

    en.wikipedia.org/wiki/Round-off_error

    Round-by-chop: The base-expansion of is truncated after the ()-th digit. This rounding rule is biased because it always moves the result toward zero. Round-to-nearest: () is set to the nearest floating-point number to . When there is a tie, the floating-point number whose last stored digit is even (also, the last digit, in binary form, is equal ...

  4. Mental calculation - Wikipedia

    en.wikipedia.org/wiki/Mental_calculation

    For any 2-digit by 2-digit multiplication problem, if both numbers end in five, the following algorithm can be used to quickly multiply them together: [1]: As a preliminary step simply round the smaller number down and the larger up to the nearest multiple of ten. In this case:

  5. List of date formats by country - Wikipedia

    en.wikipedia.org/wiki/List_of_date_formats_by...

    All examples use example date 2021-03-31 / 2021 March 31 / 31 March 2021 / March 31, 2021 – except where a single-digit day is illustrated. Basic components of a calendar date for the most common calendar systems: D – day; M – month; Y – year; Specific formats for the basic components: yy – two-digit year, e.g. 24; yyyy – four-digit ...

  6. 17 Christmas Classics Only Midwesterners Will Truly Appreciate

    www.aol.com/17-christmas-classics-only...

    Ope, you're gonna want to make all of these classic Midwestern dishes this Christmas, like recipes for tater tot hot dish, nostalgic sides, and desserts.

  7. Can You Do a Pushup? This Is How Many You Should Be ... - AOL

    www.aol.com/pushup-many-able-perform-depending...

    At age 55, the numbers are 10 for women, and 12 for men. ... Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer, ...

  8. Scientists Finally Solved the Mystery of How the Mayan ...

    www.aol.com/lifestyle/scientists-finally-solved...

    Scholars show how multiple planet movements tie into the 819-day Mayan calendar. The 819 days of the calendar must be viewed across a 45-year time period to fully understand.

  9. American Regions Mathematics League - Wikipedia

    en.wikipedia.org/wiki/American_Regions...

    Each problem is weighted for a possible 50 points. An individual round, where each team member answers five groups of two questions each, with ten minutes per pair. Starting in 2009, the individual round expanded from eight questions to ten. Each problem is worth 1 point, for a grand total of 150 points possible for the team.