Hi all.. Did any one observe that xtk - application crashes , while editing the rise/ fall time in what -if analysis. ?? Im using epd version 3.1a. what im doing exactly is, building XNS>selecting net>what if>edit model>changing the rise time>and pressing OK. Gives error: back_xns_nt.exe has generated errors and will be closed by windows.you need to restart the program. application crashes with this message.. viewlog shows ERROR 66 is encountered.. non linear currents are non monotonic. but any models-many models non monotonic curves are very visible. what exactly happens? can anybody explain this please thanks in advance Ranju. ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List FAQ wiki page is located at: http://si-list.org/wiki/wiki.pl?Si-List_FAQ List technical documents are available at: http://www.si-list.org List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu