SMath Forum SMath Studio Bugs & Problems Wrong result when using function SUM() 1 Pages (3 items) Wrong result when using function SUM() - SUM() bug - Messages Go to last post #1 Posted: 2015/6/12 11:58:36 shelley 0 likes in 15 posts. Group: User Could anyone look at this problem? The summation could not recognize the negative sign.Please see the attached. Marked with yellow is not right. #2 Posted: 2015/6/12 17:10:52 Radovan Omorjan 325 likes and 1 dislikes in 2,052 posts. Group: Moderator Hello,This is again one of the weird SMath behavior regarding optimization.Just right click on at least a:=-h region and turn on Numeric optimizationRegards,Radovan When Sisyphus climbed to the top of a hill, they said: "Wrong boulder!" 2 users liked this postDavide Carpi 2015/6/12 18:04:00, ioan92 2015/6/13 06:49:00 #3 Posted: 2015/6/18 16:35:11 shelley 0 likes in 15 posts. Group: User WroteHello,This is again one of the weird SMath behavior regarding optimization.Just right click on at least a:=-h region and turn on Numeric optimizationRegards,RadovanThank you. It works turning on numeric 1 Pages (3 items) New Posts No New Posts