C90 User manual
61
11.
Tools
The Tools menu provides helpful software applications to assist with daily tasks, such as a
calculator, alarm clock, voice memo, world clock etc. To access the Tools folder, select
Menu
→
Tools
from standby mode.
Calculator
Your mobile phone comes with a built-in calculator capable of performing addition, subtraction,
multiplication and division. To access the calculator from standby mode, select
Menu
→
Tools
→
Calculator
.
1.
Enter a number with the keypad.
2.
If necessary, press the right soft key to insert a decimal point.
3.
Use the navigation keys to select a mathematical function.
a.
UP key:
add.
b.
DOWN key:
subtract.
c.
LEFT key:
multiply.
d.
RIGHT key:
divide.
4.
Enter the next number with the keypad.
5.
Press
Equal
to view the result.
