<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 14 (filtered medium)"><style><!--
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</o:shapelayout></xml><![endif]--></head><body lang=NL link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span lang=EN-GB>Hi Eike, all,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Calc function NETWORKDAYS is an add-in function and compatible with Excel's function NETWORKDAYS, but _not_ with Oasis ODFF 1.2 (</span><a href="http://docs.oasis-open.org/office/v1.2/cos01/OpenDocument-v1.2-cos01-part2.html#__RefHeading__1018198_715980110"><span lang=EN-GB>http://docs.oasis-open.org/office/v1.2/cos01/OpenDocument-v1.2-cos01-part2.html#__RefHeading__1018198_715980110</span></a><span lang=EN-GB>) .<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>My first impression is that I could tweak the current code and make the function compatible with both.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>For Excel the 3rd argument is a reference to a (range of) date, for ODFF it is a (reference to) matrix of 0 and 1. That means I can distinguish between the two. That distinction is important when exporting to Excel, too.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Do you think this is worth trying? Or would you prefer two internal functions, one regular in ScInterpreter (new, but using code from ScInterpreter::ScNetWorkdays_MS()) and one add-in (existing)? In that case I would need some hints where to make the switch from NETWORKDAYS in the cell (UI or file) and the two internal functions.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span style='mso-fareast-language:NL'>Winfried<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>