Currency Selector
Probably not going to be the most popular feature but there will be some who want to do thus.
There is an options in the settings to display multiple currencies on the form. They look like this:
If you want a different output currencyyou can do this as well.For example, you could get a loan in US Dollars but display the repayment information in Pesos. Take a look at the FX repayment form.