https://www.sulprobil.de/tags/excel-function-sign/ Recent content in Excel Function SIGN on Sulprobil Hugo en Thu, 09 Jul 2026 14:36:00 +0100 https://www.sulprobil.de/rounding_fun_en/ Thu, 09 Jul 2026 14:36:00 +0100 https://www.sulprobil.de/rounding_fun_en/ <p><img src="https://www.sulprobil.de/rounding_fun.png" alt="rounding_fun"></p> <p><strong>Please note:</strong></p> <ul> <li>Cell E5: <em>=ROUND(B5 * 2,0) / 2</em> is better than <em>=ROUND(B5 / 5,1) * 5</em> because the internal binary representation of floating point numbers is more accurate for multiplikations and for divisions.</li> <li>Cell C9: This result is the maximal number in T-Note format which is less or equal to the input in cell B9.</li> </ul> <h2 id="download">Download</h2> <p>Please read my <a href="https://www.sulprobil.de/about/disclaimer_en/" title="Disclaimer">Disclaimer</a>.</p> <p><a href="https://www.sulprobil.de/rounding_fun.xlsm">rounding_fun.xlsm</a> [33 KB Excel file, open and use at your own risk]</p> https://www.sulprobil.de/roles_and_rights_en/ Mon, 06 Jul 2026 13:22:00 +0100 https://www.sulprobil.de/roles_and_rights_en/ <h2 id="abstract">Abstract</h2> <p>Given a table of roles and which rights are associated with them, and a table of forbidden right combinations - i.e. defining which rights are not to be granted together, how can you now derive the table of forbidden role combinations - i.e. a table which shows which roles cannot be granted together?</p> <h3 id="example">Example</h3> <p>Role 1 owns right 1, role 2 contains rights 2 and 4, and role 4 contains rights 4 and 5.</p>