Sorry to know that many user have black screen problem under iOS 4.2.1, we just solved this problem on this version, pls update and give us the feedback with good comments! Thanks for your support:)
Currency Calculator HD is a multifunctional calculator which allows you to work with multiple currencies. Quickly add, subtract, multiply, and divide conversions while being able to switch between different currency conversion tabs.
- 200 different currencies.
- All currency ratios are provided by a professional currency exchange rate provider.
- Common calculator functions, including memory functions to store and recall amounts, can be used on the currency conversions.
- Set the frequency in which the currency exchange rates are updated.
- Add/remove conversion tabs.
- Set the number of decimals places.
- Create your own currency with its own unique exchange rate.
- Common calculator functions can be used with the currency amounts.
- Internet connection required to update currency rates.