https://www.sulprobil.de/tags/excel-function-quotient/ Recent content in Excel Function QUOTIENT on Sulprobil Hugo en Mon, 25 May 2026 10:31:00 +0100 https://www.sulprobil.de/test_date_formulas_en/ Mon, 25 May 2026 10:31:00 +0100 https://www.sulprobil.de/test_date_formulas_en/ <h2 id="abstract">Abstract</h2> <p>How can I ensure that an Excel date formula is correct?</p> <p>I need to test it!</p> <p>This works best:</p> <ul> <li>I generate all days of the relevant date range in column A. 1-Jan-1901 to 31-Dec-2099, for example.</li> <li>I enter all possible formulas in columns B, C, D, &hellip; and copy down.</li> <li>I compare all results to the reference formula in column B.</li> </ul> <h2 id="example">Example</h2> <p>How many ISO calendar weeks does a given month touch?</p>