SMath Forum Bugs & Problems Simple calculation is producing the wrong answer 1 Pages (3 items) Simple calculation is producing the wrong answer - Adding up negative an positive numbers - Messages #1 Posted: 5/1/2012 7:42:08 AM lcesero 0 likes in 8 posts. Group: User Hello,I have come across an error when doing the folowing calculation.-5.00+.85+.85+3.30=-4.44*10^-16 ( decimal places are set to 2)The above equation should equal zero.I am using the portable version .93 (build 4466 ) on Windows 7 Pro 64bit.Thanks in advance. #2 Posted: 5/1/2012 2:11:55 PM lcesero 0 likes in 8 posts. Group: User Hello,I was wondering if anyone else can reproduce this symptom.Thanks, #3 Posted: 5/1/2012 2:21:12 PM Andrey Ivashov 2269 likes in 3730 posts. Group: Super Administrator Hello lcesero.Yes, I've reproduced it. The only thing I can do here is to add an ability to replace answer with 0 if the result accuracy is less then or equal [MATH]10^-16[/MATH]. This way used by Mathcad as an option of every equation. Will think about it.Best regards, Andrey Ivashov. 1 Pages (3 items) New Posts No New Posts