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  2. Zeller's congruence - Wikipedia

    en.wikipedia.org/wiki/Zeller's_congruence

    Zeller's congruence. Zeller's congruence is an algorithm devised by Christian Zeller in the 19th century to calculate the day of the week for any Julian or Gregorian calendar date. It can be considered to be based on the conversion between Julian day and the calendar date.

  3. Sample size determination - Wikipedia

    en.wikipedia.org/wiki/Sample_size_determination

    Sample size determination or estimation is the act of choosing the number of observations or replicates to include in a statistical sample. The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample. In practice, the sample size used in a study is usually determined ...

  4. Confidence interval - Wikipedia

    en.wikipedia.org/wiki/Confidence_interval

    A simple example arises where the quantity to be estimated is the population mean, in which case a natural estimate is the sample mean. Similarly, the sample variance can be used to estimate the population variance. A confidence interval for the true mean can be constructed centered on the sample mean with a width which is a multiple of the ...

  5. Set and edit reminder notifications in AOL Calendar

    help.aol.com/articles/set-and-edit-reminder...

    When setting up two notifications for the same event, the second reminder (Again) should not be the same interval as the first reminder (Time), and should be made closer to the event than the first reminder. Note - Changes to default reminder settings will only apply to events created after the settings were altered. You'll need to edit ...

  6. Microsoft Excel - Wikipedia

    en.wikipedia.org/wiki/Microsoft_Excel

    Microsoft Excel is a spreadsheet editor developed by Microsoft for Windows, macOS, Android, iOS and iPadOS. It features calculation or computation capabilities, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA). Excel forms part of the Microsoft 365 suite of software.

  7. Manage events in AOL Calendar

    help.aol.com/articles/events-in-aol-calendar-manage

    3. In the upper right, click More | select Import. 4. Enter a Calendar URL or choose a Calendar File. 5. Next to "Target Calendar," click the calendar drop-down list and select a calendar you want to import events into. 6. Next to "File Type," choose the option that matches the file you'd like to import. 7.

  8. Savannah Guthrie Reveals Why She's Setting Her Morning Alarm ...

    www.aol.com/lifestyle/savannah-guthrie-reveals...

    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 , from celebrity news to compelling human interest stories.

  9. Spreadsheet - Wikipedia

    en.wikipedia.org/wiki/Spreadsheet

    Spreadsheet. A spreadsheet is a computer application for computation, organization, analysis and storage of data in tabular form. [ 1 ][ 2 ][ 3 ] Spreadsheets were developed as computerized analogs of paper accounting worksheets. [ 4 ] The program operates on data entered in cells of a table.