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  2. Help:Advanced table formatting - Wikipedia

    en.wikipedia.org/wiki/Help:Advanced_table_formatting

    The answer is that when the table has a row without containing any rowspan=1 cell, this row is "compressed" upwards and disappears. Solution: divide one of the tall cells so that the row gets one rowspan=1 cell (and don't mind the eventual loss of text-centering). Then kill the border between them.

  3. Quattro Pro - Wikipedia

    en.wikipedia.org/wiki/Quattro_Pro

    This avoided the 65,536 row by 256 column spreadsheet limitations inherent to Microsoft Excel (prior to Excel 2007). Even with the maximum row advantage, Quattro Pro has been a distant second to Excel, in terms of sales numbers, since approximately 1996 to the present.

  4. Microsoft Office 2010 - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Office_2010

    Excel supports hardware accelerated chart drawing, and PowerPoint supports hardware accelerated animations, transitions, and video playback and effects; slideshow elements are now rendered as sprites, which are then composited with additional effects such as fades and wipes implemented using Pixel Shader 2.0.

  5. Microsoft Office 2019 - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Office_2019

    Microsoft Office 2019 (second release codenamed Office 16) is a version of Microsoft Office for both Windows and Mac. [9] It was unveiled on April 27, 2018, for Microsoft Windows and June 12, 2018, for macOS, and launched on September 24, 2018. [1]

  6. Row echelon form - Wikipedia

    en.wikipedia.org/wiki/Row_echelon_form

    Thus, the row echelon form can be viewed as a generalization of upper triangular form for rectangular matrices. A matrix is in reduced row echelon form if it is in row echelon form, with the additional property that the first nonzero entry of each row is equal to and is the only nonzero entry of its column. The reduced row echelon form of a ...

  7. List of HTTP status codes - Wikipedia

    en.wikipedia.org/wiki/List_of_HTTP_status_codes

    The server cannot meet the requirements of the Expect request-header field. [17] 418 I'm a teapot (RFC 2324, RFC 7168) This code was defined in 1998 as one of the traditional IETF April Fools' jokes, in RFC 2324, Hyper Text Coffee Pot Control Protocol, and is not expected to be implemented by actual HTTP servers.

  8. Pearson correlation coefficient - Wikipedia

    en.wikipedia.org/wiki/Pearson_correlation...

    Pearson's correlation coefficient is the covariance of the two variables divided by the product of their standard deviations. The form of the definition involves a "product moment", that is, the mean (the first moment about the origin) of the product of the mean-adjusted random variables; hence the modifier product-moment in the name.

  9. Pearson's chi-squared test - Wikipedia

    en.wikipedia.org/wiki/Pearson's_chi-squared_test

    For a test of independence, df = (Rows − 1)×(Cols − 1), where in this case, Rows corresponds to the number of categories in one variable, and Cols corresponds to the number of categories in the second variable. [4] Select a desired level of confidence (significance level, p-value, or the corresponding alpha level) for the result of the test.