T o o l s99Note: This calculator has a limited accuracy and is designed for simplecalculations.Use calculator1. In the standby mode, select Menu > Tools > Calculator.2. Enter the first number in the calculation.Press # for a decimal point if necessary.Press the scroll key up or down to change the sign of your number or value.Press * to cycle through the add (+), subtract (-), multiply (*), and divide (/)characters. Pause briefly to select the displayed character.3. Enter the second number in your calculation.4. Select Equals.To perform a square or square root calculation, select Options > Square or Square root.Currency converterYou can convert foreign currency to domestic, or vice versa, directly from 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 > Tools > Calculator > Options > Exchangerate > Foreign units in home or Home units in foreign.Foreign units in home—The number of home units it takes to make one unit offoreign currency.Home units in foreign—The number of foreign units it takes to make one unitof your home currency.2. Enter the exchange rate (press # to insert a decimal), and select OK.3. Select Back to return to the Calculator screen, and enter the currency amountto convert.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 have not already entered an exchange rate, the device prompts you toenter it. Select OK. You can edit the exchange rate at any time.