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  1. Calculate the difference between two dates - Microsoft Support

    How to calculate the number of days, months, or years between two dates using the DATEIF function in Excel.

  2. Calculate age - Microsoft Support

    Jun 3, 2002 · Excel can help you calculate the age of a person in different ways. The table below shows common methods to do so, using the Date and time functions. To use these examples in Excel, drag …

  3. DATEDIF function - Microsoft Support

    Excel provides the DATEDIF function in order to support older workbooks from Lotus 1-2-3. The DATEDIF function may calculate incorrect results under certain scenarios.

  4. Add or subtract dates - Microsoft Support

    Add or subtract days, months, or years from a date by using a formula or date functions in Excel.

  5. Subtract dates in Excel for Mac - Microsoft Support

    Jun 8, 2011 · For example, you can quickly subtract one date from another date, or calculate the duration of items on a project schedule. Use the provided sample data and the following procedures …

  6. How to calculate compound interest for an intra-year period in Excel ...

    Oct 14, 2025 · Intra-year compound interest is interest that is compounded more frequently than once a year. Financial institutions may calculate interest on bases of semiannual, quarterly, monthly, weekly, …

  7. PMT function - Microsoft Support

    Copy the example data in the following table, and paste it in cell A1 of a new Excel worksheet. For formulas to show results, select them, press F2, and then press Enter.

  8. YEAR function - Microsoft Support

    Jul 5, 2023 · Returns the year corresponding to a date. The year is returned as an integer in the range 1900-9999. Values returned by the YEAR, MONTH and DAY functions will be Gregorian values …

  9. NETWORKDAYS function - Microsoft Support

    Microsoft Excel stores dates as sequential serial numbers so they can be used in calculations. By default, January 1, 1900 is serial number 1, and January 1, 2012 is serial number 40909 because it …

  10. IRR function - Microsoft Support

    This article describes the formula syntax and usage of the IRR function in Microsoft Excel. Description Returns the internal rate of return for a series of cash flows represented by the numbers in values. …