Calculator – Samsung SGH-X105NBATMB User Manual
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To select the time zone in which you are located, proceed as 
follows.
1. Select the city corresponding to your time zone by pressing 
the and key one or more times.
The local date and time are displayed.
2. Press the Set soft key.
Time Format: allows you to change the time format to 24 
Hours or 12 Hours.
Calculator
With this feature, you can use the phone as a calculator. The 
calculator provides the basic arithmetic functions: addition, 
subtraction, multiplication and division.
Using the Calculator
1. Enter the first number using the numeric keys.
2. Press the right soft key until the required arithmetic symbol
appears: + (add), - (subtract), x (multiply), / (divide).
3. Enter the second number.
4. Repeat Steps 1 to 3 as many times as required.
Note: 
• To erase any mistakes and clear the display, press the 
key.
• To include a decimal point or a bracket, press the left soft key until the
required symbol is displayed.
5. To calculate the result, press the
key.