When traveling abroad, there's just some things that you should do that are just no brainers. One of them is knowing the exchange rate between your native currency, and the currency of the country you're travelling to.
In the old days this used to take a little legwork, i.e. reading the newspaper, going to the post office, etc. With the smartphone boom, though, currency conversion is often right at your fingertips.
As is the case with this new jailbreak widget, entitled Currency Convertor. It's a widget that conveniently sits in iOS 5's Notification Center for easy access...