Traveling to do a budget, of course, there is an exchange rate app, Xiao bian recommended XE currency, its characteristics are:
2. no network can be used;
3. Simultaneous display of other currencies, I entered under 100 yen, it shows RMB, HKD, MOP, price NT respectively
Going shopping very useful!
In addition, show historical rates, timing in foreign currency!
As long as the search for XE currency app store/Android play