Apple iPod touch iOS 2.0 - Manual (Page 83)

Chapter 6 More Applications 83
Timer
Set the timer: Tap Timer, then flick to set the number of hours and minutes. Tap Start
to start the timer.
Choose the sound: Tap When Timer Ends.
Set a sleep timer: Set the timer, then tap When Timer Ends and choose Sleep iPod.
When you set a sleep timer, iPod touch stops playing music or video when the timer
ends.
If you start the timer and go to another iPod touch application, the timer continues
running in the background.
Calculator
Using the Calculator
Tap numbers and functions in Calculator just as you would with a standard calculator.
When you tap the add, subtract, multiply, or divide button, a white ring appears
around the button to let you know the operation to be carried out. Rotate iPod touch
to get an expanded scientific calculator.
Standard Memory Functions
 C: Tap to clear the displayed number.
 MC: Tap to clear the memory.
 M+: Tap to add the displayed number to the number in memory. If no number is in
memory, tap to store the displayed number in memory.
 M-: Tap to subtract the displayed number from the number in memory.
 MR: Tap to replace the displayed number with the number in memory.If the button
has a white ring around it, there is a number stored in memory.
The stored number remains in memory when you switch between the standard and
scientific calculators.