Manage currency settings
In the category menu, expand Administration, and then click Currency management.
Click New.
The Currency dialog box appears.
In the Name text box, type the currency code, for example EUR, GBP, or SEK.
In the Friendly Name text box, type the complete name of the currency, for example Euro, British Pound Sterling, or Svenska kronor.
In the Currency Rate text box, type the rate in relation to the base currency.
Click OK to save the changes and close the Currency dialog box.
In the category menu, expand Administration, and then click Currency management.
Select the currency in the list and click Edit.
The Currency dialog box appears.
Make the changes and click OK to save.
In the category menu, expand Administration, and then click Currency management.
Select the currency in the list.
Click Delete.
Click OK to confirm the deletion.