O r g a n i z e r821. Select Menu > Organizer > Calculator.2. 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 the calculation or Options if more functionsare 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 cleared.1. Select Menu > Organizer > Calculator > Options > Exchange rate > Foreignunits 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 prompts you. Select OK. Youcan edit the exchange rate anytime.■ TimerThe timer in your device enables you to enter a specific time (up to 99 hours and59 minutes). When the time runs out, your device sounds an alarm.Note: The timer only works when the device is on. When you turn offyour device, the timer is no longer active.