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.

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.

This post shows how to use the TRUNC function in Excel. Use it to remove or truncate decimals, time from date-time format, etc. It is the opposite of Round.

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