Samsung SCH-R640 User Manual (user Manual) (ver.f3) (English) - Page 162

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3. Start the timer by tapping Start. The following options are available: • To pause or end the count, tap Stop. • To resume the count, tap Restart. • To erase the current count, tap Reset. Calculator You can perform calculations, including addition, subtraction, multiplication, and division using your phone. 1. From the Tools menu, tap Calculator. The Calculator keypad screen appears in the display. 2. Enter the first number in your calculation using the touch screen keypad (numbers can be up to 15 digits long, with up to 10 of thos digits after a decimal point). • To toggle the sign of a number between positive and negative, tap +/-. • To "nest" calculations within a calculation, tap ( ) before and after parts of the calculation you want to perform first. 3. Set the type of calculation you want to perform (division, multiplication, subtraction, or addition) by tapping the appropriate calculation operator (/, X, -, +). 4. Enter the next number in your calculation using the touch screen keypad. 5. To perform the calculation and view the result, tap =. 6. To perform another calculation, clear the calculation field by tapping C. 157

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157
3.
Start the timer by tapping
Start
. The following options are
available:
•
To pause or end the count, tap
Stop
.
•
To resume the count, tap
Restart
.
•
To erase the current count, tap
Reset
.
Calculator
You can perform calculations, including addition, subtraction,
multiplication, and division using your phone.
1.
From the
Tools
menu, tap
Calculator
. The
Calculator
keypad
screen appears in the display.
2.
Enter the first number in your calculation using the touch
screen keypad (numbers can be up to 15 digits long, with up to
10 of thos digits after a decimal point).
•
To toggle the sign of a number between positive and negative, tap
+/-
.
•
To “nest” calculations within a calculation, tap
( )
before and after parts
of the calculation you want to perform first.
3.
Set the type of calculation you want to perform (division,
multiplication, subtraction, or addition) by tapping the
appropriate calculation operator (
/
,
X
,
-
,
+
).
4.
Enter the next number in your calculation using the touch
screen keypad.
5.
To perform the calculation and view the result, tap
=
.
6.
To perform another calculation, clear the calculation field by
tapping
C
.