››Use the count-down timer

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In Idle mode, open the application list and select Clock Timer.

Set the length of time to count down. Select Start to begin the countdown.

When the timer expires, drag in any direction until it reaches the border of the circle.

Calculator

Learn to perform mathematical calculations directly on your device like a typical hand-held or desktop calculator.

››Perform the calculation

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In Idle mode, open the application list and select Calculator.

Use the keys that correspond to the calculator display to perform basic mathematical operations.

Rotate the device to landscape view to use the scientific calculator. If you deactivate the auto rotation, press []

Scientific calculator.

››View the calculation history

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In Idle mode, open the application list and select Calculator.

Perform the calculation.

Select to close the calculator keypad. The calculation history appears.

To clear the history, press [] Clear history.

Tools

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Samsung GT-S7500 Calculator, ››Use the count-down timer, ››Perform the calculation, ››View the calculation history