716 Additional programsLearn to use Calculator, Clock, Converter,GPS data, and Landmarks.Calculator1. In Standby mode, press [Menu] →Organiser → Calculator.2. Use the alphanumeric keys and thenavigation key to perform basicmathematical operations.3. When performing calculations, press<Options> to access the following:• Last result: insert the result fromthe last calculation• Memory: save, recall, or clear thecalculator’s temporary memory• Clear screen: clear all calculationson the screenClockYou can adjust clock settings, set alarms,and create a world clock.Change clock settings1. In Standby mode, press [Menu] →Organiser → Clock.2. Press <Options> → Settings (see"Date and time." X p.91).Press [ ] to insert a decimal. Press[C] to clear a result. Press [ ] toswitch functions.