Zte R621 User Manual page 33

 Calendar
Go to Organizer >Calendar. The calendar of the current month will be
displayed on the screen and the current date will be marked by a
background box in a special color.
 Alarm
Go to Organizer >Alarm. You can view and edit the alarm clocks
settings. You can also enable or disable the alarms.
 Calculator
You can perform simple calculations. You can use 4-Way Navigation
keys to perform add, subtract, multiply or divide calculation.
 World clock
You can view the time in different cities.
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