However, that message is too unspecific to tell anyone very much. If it really means "ended" rather than "closed" it might even just be that your code terminates after performing the calculation (i.e. you've not told it to continue running and await further input). Otherwise it's saying "the app's crashed", and there could be many, many reasons for that.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.