Apps and features
STOPWATCH
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Launch the Clock app and tap STOPWATCH.
Tap START to time an event.
To record lap times while timing an event, tap LAP.
3 Tap STOP to stop timing.
To restart the timing, tap RESUME. To clear lap times, tap RESET.
TIMER
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Launch the Clock app and tap TIMER.
Set the duration, and then tap START.
To open the keypad to enter the duration, tap the duration input field.
3 Tap DISMISS when the timer goes off.
Calculator
Perform simple or complex calculations. Launch the Calculator app.
Rotate the device to landscape orientation to display the scientific calculator. If Auto rotate is disabled, tap 
to display the scientific calculator.
To see the calculation history, tap HISTORY. To close the calculation history panel, tap
KEYPAD.
To clear the history, tap HISTORY →CLEAR HISTORY.
To use the unit conversion tool, tap 
. You can convert various values, such as area, length, or temperature, into other units.
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