Hi, I need to find how many solutions were found by solve or fsolve. I have solutions := fsolve(eqution,t) and I need to operate solutions in the loop, I have tried to make condition solution[i] <> NULL. It seems to work, but it print an error message(when i is higher then no of solutions). Is there any possibility, how to get no of solutions to bypass that, or any better solution? Thanks for your answer