Tools92Perform the calculation› In Idle mode, open the application list and select1 Calculator.Use the keys that correspond to the calculator display2 to perform basic mathematical operations.Rotate the device anti-clockwise to landscape viewto use the scientific calculator. If you deactivate theauto rotation, press [ ] → Scientific calculator.View the calculation history› In Idle mode, open the application list and select1 Calculator.Perform the calculation.2Use the count-down timer› In Idle mode, open the application list and select1 Clock→ Timer.Set the length of time to count down.2 Select3 Start to begin the countdown.You can now use other functions with the timercounting down in the background. Press the Home keyor [ ] and access another application.When the timer expires, drag4 right until it reachesthe dot.CalculatorLearn to perform mathematical calculations directly onyour device like a typical hand-held or desktop calculator.