69In the converter, you can convert measurement parameters such as Length fromone unit to another, for example, Yards to Metres.The converter has limited accuracy and rounding errors may occur.Set a base currency and exchange ratesBefore you can convert currency, you need to choose a base currency (usually yourdomestic currency) and add exchange rates.The rate of the base currency is always 1. The base currency determines theconversion rates of the other currencies.1. Select Currency as the measurement type, and select Options > Currencyrates.2. To change the base currency, scroll to the currency (usually your domesticcurrency), and select Options > Set as base currency.3. Add exchange rates, scroll to the currency, and enter a new rate, that is, howmany units of the currency equal one unit of the base currency you selected.4. After you insert all the required exchange rates, you can convert currency.Note: When you change base currency, you must enter new exchange ratesbecause all previously set exchange rates are cleared.Convert unitsTo convert currency, you must first set the exchange rate. See “Set a base currencyand exchange rates,” p. 69.1. Select Type and the type of measurement to convert, and select OK.2. Select the first Unit field, the unit from which you want to convert, and OK.3. Select the next Unit field and the unit to which you want to convert.4. In the first Amount field, enter the value to be converted. The other Amountfield changes automatically to show the converted value.Press # to add a decimal and press * for the +, - (for temperature), and E(exponent) symbols.The conversion order changes if you write a value in the second Amount field. Theresult is shown in the first Amount field.