587. To split the stopwatch, press Options > AdvancedSettings > Split Time Mode.Using the calculator1. Press Menu > My Stuff > Tools &Utilities > Calculator.2. Use L/R/U/D/@ to calculate.3. Press Clear or C to erase one digit.4. Press Reset to reset.5. Press * to use the decimal point.Using the converter1. Press Menu > My Stuff > Tools &Utilities > Converter.2. Select the categories3. Select current unit and enter figure.4. Select the unit to be changed.Business cardYou can send your information by sending it as multimediamessage.Creating your own business card1. Press Menu > Address Book > My Business Card.2. Press Yes for new business card for the first time3. Edit the fields > Options > Save or press @.Forwarding1. Press Menu > Address Book > My Business Card.2. Press Options > Send This Card > MMS or Bluetooth.3. Write a message for MMS.4. Press Options > Send.Updating information1. Press Menu > Address Book > My Business Card.2. Press Options > Edit.3. Update information.4. Press Options > Save.