O r g a n i z e r782. Enter the first number in the calculation. Press # for a decimal point if necessary.To change the sign, select Options > Change sign, or scroll up or down.To perform a square or square root calculation, select Options > Square orSquare root.To cycle through the add (+), subtract (-), multiply (*), and divide (/)characters, press *.3. Enter the second number in your calculation.4. Select Equals to complete calculation or Options if more functions are required.Currency converterYou can convert foreign currency to domestic, or vice versa, directly in thestandby mode or from the Calculator menu.Note: When you change base currency, you must enter the new ratesbecause all previously set exchange rates are set to zero.1. In the standby mode, select Menu > Organizer > Calculator > Options >Exchange rate > Foreign units in home units or Home units in foreign units.Foreign units in home units—The number of home units cost to make one unitof foreign currency.Home units in foreign units—The number of foreign units cost to make oneunit of your home currency.2. Enter the exchange rate (press # to insert a decimal), and select OK.3. In the standby mode, enter the currency amount to be converted.4. Select Options > To home or To foreign.To home—converts foreign currency to domestic currency.To foreign—converts domestic currency to foreign currency.5. If you do not enter an exchange rate, the device will prompt you to do so.Select OK. You can edit the exchange rate at anytime.■ Countdown timerThe countdown timer in your device enables you to enter a specific time (up to 99hours and 59 minutes). When the time runs out, your device sounds an alarm.Note: The countdown timer only works when the device is on. When youturn off your device, the timer is no longer active.