Audiovox CDM9900 Using Calculator, Entering a Negative Number, Calculating Tip/Total

Calculator

Using Calculator

To use the built-in calculator:

1. Press the left softkey under Menu then press 8 2 .

2.Enter a number using your keypad. To insert a decimal point, press the left softkey. To clear the number, press CLR .

3.Press to add, to subtract, to multiply or to divide.

4.Enter another number and press to display the result.

5.To close the calculator and return to standby mode, press .

Entering a Negative Number

1.Enter a number.

2.To change the sign (+/–), press .

Calculating Tip/Total

1.Enter an amount (or display the result of the previous calculation).

2.Press the right softkey to display the result of calculating tip for the amount (in red color).

3.Press the right softkey again to display the total amount includ- ing the tip (in green color).

Note: To change the tip calculation percentage, press , enter a new

rate, then press .

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