How to | Find Out Why Mathematica Beeped
Mathematica usually works silently, giving output only when it has finished doing the calculations you asked for. However, Mathematica will produce an audible beep when the front end encounters an error.
Selected examples from the video:
Attempting to evaluate a text cell will produce a beep. Select this text cell and press Shift+Enter
To find out why Mathematica produced the beep, select :
A window pops up telling you that Mathematica beeped because you tried to evaluate an unevaluatable cell:
Other actions that make Mathematica beep include trying to type with a cell bracket selected or using for something that is not in the current notebook.
To choose the actions that Mathematica will take when it encounters front end errors, open the menu.
If you are running Mac OS X, select from the menu. If you are running Windows or Linux, select :
On the Interface tab of the Preferences window, you can select the actions you prefer in the Message and Warning Actions section: