You can use SUMIF in Google Sheets to add numbers together that are associated with a date range, specific text, or meet a numeric criterion.

Using Excel as a scheduling tool is a great skill to have under your belt. Learn how to use SUM, DATE, WEEKDAY, IF, Nested IF, and IF/OR functions.

Microsoft Word has a date field, but it's not easy to use in an expression. If you need to update dates in a document, use Excel to calculate the dates and then run a mail merge.

Learn how to highlight dates before today and a specific date with and without using the Today() function in Microsoft Excel.