The currencies dialog is used to edit, modify and manage the currencies available for the wallets.
|Update on-line||Trigger to update exchanges rate on-line. This is disabled when you only have a single currency.
This is an extra feature relying on third party (yahoo).
display currency ISO code, name, symbol, exchange rate and last modified date
|Add||open a dialog to add a new currency|
|Edit||open a dialog to edit the selected currency|
|Delete||delete the selected currency|
|Set as base||set the selected currency to be the base currency|