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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. 80 of the Most Useful Excel Shortcuts - AOL

    www.aol.com/lifestyle/80-most-useful-excel...

    Show all values in general number format. CTRL + 5. Excel strikethrough shortcut: strikethrough text or remove it. ALT + Enter. Excel cell shortcut: Add a new line in Excel ... Formula shortcuts ...

  4. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    Excel offers many user interface tweaks over the earliest electronic spreadsheets; however, the essence remains the same as in the original spreadsheet software, VisiCalc: the program displays cells organized in rows and columns, and each cell may contain data or a formula, with relative or absolute references to other cells. Excel 2.0 for ...

  5. Decatastrophizing - Wikipedia

    en.wikipedia.org/wiki/Decatastrophizing

    In cognitive therapy, decatastrophizing or decatastrophization is a cognitive restructuring technique to treat cognitive distortions, such as magnification and catastrophizing, commonly seen in psychological disorders like anxiety [1] and psychosis.

  6. How to stop catastrophizing - AOL

    www.aol.com/stop-catastrophizing-183000069.html

    Catastrophizing is a distressing experience that can take a toll on your mental health. But you can learn to interrupt your negative thoughts using the following steps. Identify catastrophic thinking.

  7. Pain catastrophizing - Wikipedia

    en.wikipedia.org/wiki/Pain_catastrophizing

    The components of catastrophizing that are considered primary were long under debate until the development of the pain catastrophizing scale (PCS). The pain catastrophizing scale is a 13-item self-report scale to measure pain catastrophizing created by Michael J. L. Sullivan, Scott R. Bishop and Jayne Pivik. [4]

  8. Catastrophic cancellation - Wikipedia

    en.wikipedia.org/wiki/Catastrophic_cancellation

    Given numbers and , the naive attempt to compute the mathematical function by the floating-point arithmetic ⁡ (⁡ ⁡ ()) is subject to catastrophic cancellation when and are close in magnitude, because the subtraction can expose the rounding errors in the squaring.

  9. Optimal stopping - Wikipedia

    en.wikipedia.org/wiki/Optimal_stopping

    You are observing the sequence of random variables, and at each step , you can choose to either stop observing or continue; If you stop observing at step , you will receive reward ; You want to choose a stopping rule to maximize your expected reward (or equivalently, minimize your expected loss)