Click the green flag to start. Enter a value (up to ten minutes) as a decimal (eg 2mins 30 seconds is entered as 2.5) Press enter and the timer will start. Audible alert when the time is up, as well as display of the error in timing.
Inspired by the instruction on my teabag to brew for 8 minutes... Cup and saucer from http://cliparts.co/cliparts/8TA/Ena/8TAEnaMdc.png