Tools 1201. From the Tools menu, selectWorld Time.The World Time screenappears in the display listingyour current World Clocks.2. Press the Set as 2nd Clocksoft key.3. Select the World Clock youprefer as your 2nd Clock. The2nd check mark moves toyour selection.4. Press the OK soft key. Yourselection is saved.Erasing a World ClockWorld Time lets you erase all of your World Clocks except yourHome clock ( ) and 2nd clock ( ).1. From the Tools menu, select World Time.The World Time screen appears in the display listing yourcurrent World Clocks.2. Press the Erase soft key. TheSelect to erase screenappears in the display.Note: Your Home and 2nd clocks aredisabled in the Select to erase screento prevent them being erased.3. Select the World Clock youwant to erase. A check markappears in the selected WorldClock’s checkbox.4. Press the Erase soft key. Youare returned to the WorldTime screen in which theerased World Clock no longer appears.CalculatorYou can perform calculations, including addition, subtraction,multiplication, division, and percentages using your phone.1. From the Tools menu, select Calculator.The Calculator screen appears in the display.