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Nokia 7190 - Security; Lock the Keypad; Unlock the Keypad

Nokia 7190
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REMEMBER! Your phone must be switched on to use this function. Do not
switch on the phone when wireless phone use is prohibited or when it
may cause interference or danger.
Using the calculator
1 Press Menu, scroll to Calculator, and press Roller.
2 “0” appears on the screen. Enter the first number in the calculation
(press for decimal point).
3 To add, press once (+ appears); to subtract, press twice ( - );
to multiply, press three times ( * ); to divide, press four times
( / ). To add a decimal point, press .
Or: Press Options, scroll to Add, Subtract, Multiply or Divide
and press
OK.
4 Enter the second number. A subtotal is shown. Then repeat steps 3 and
4 as many times as necessary.
5 For a total, press
Equals (or press Options, scroll to Equals and
press Roller).
6 To start a new calculation, press
Clear.
Note: This calculator has limited accuracy and rounding errors may
occur, especially in long divisions.
Using calculator for currency conversion
Setting the exchange rate
1 Once in the Calculator menu, press Options.
2 Scroll to
Set rate and press OK.
3 Scroll to
Foreign units in domestic units or
Domestic units in foreign units, depending on how you
wish to convert the currency, and press
OK.
4 Enter the appropriate exchange rate and press OK (use the key for
decimals).
Rate saved is displayed.

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