This feature allows you to add another currency to your shop; customers will be able to see the new currency when viewing a product. The package will not work out the conversion for you; you will need to type this yourself.
To add extra currencies to your 123-reg e-commerce shop, please follow the steps below;
Log into your 123-reg e-commerce package.
Select Country Settings from the dropdown.
Click the Currencies tab.
Under Name there is a dropdown bar, select the Currency you wish to add.