Calculator+Currency PRO at Mac App Store analyse

This powerful, easy to use app combines a calculator with currency converter functions, including 5/90/180 day currency rates charts. Currency rates are downloadable, free of charge, from Bank of Canada and European Central Bank. Among the very useful features are the calculation history and addition lists, that can be sent per email. ● Multitasking: This app is capable of multitasking on a newer iPad (Slide Over and Split View). - CALCULATOR - The calculator has the following displays: - The main display that accepts inputs and displays the results. - The second display that shows the currency conversion results from the main display. Useful features: - A third display shows the inputs while the main display shows the results. - A fourth display shows the calculated tax amount. - Extra displays that show the exchange rate used by the calculator. - Tax calculation: 3 different tax rates (%). - Memory functions: Add to / Subtract from Memory, Memory Read and Memory Clear. - Easy to change display precision 0-9 digits. - Easy to change a base currency. - For many conversion usages you can use a factor you defined instead of a currency rate. - Copy/paste functions. - Calculation history can be sent per email.  - Addition lists can be sent per email with a PDF attachment or printed on an AirPrint printer. - The calculator always works with an internal precision of 15 digits (double precision). Note: The calculator doesnt use the preceding rules (MUL,DIV over PLUS,MINUS) - CURRENCY - Currency exchange rates are downloadable, free of charge, from - Bank of Canada: 5 day noon exchange rates, 58 currencies. - European Central Bank: 5-90 day 2:15 pm CET exchange rates, 34 currencies. Currency exchange rates of a day are stored as a currency set. NOTE: Other currencies can be added in a duplicated or self created currency set. - FILTERS - Currencies can be filtered and sorted by groups. - CURRENCY SET EDIT/VIEW - Own or duplicated currency sets can be edited. - CONVERT TO OTHERS, plus 5/90/180 DAY CHART - This page converts the selected base currency to all other currencies. (You may enter every value for the base currency) Another page shows a 5/90/180 day chart and exchange rates for all currencies. - CONVERT FROM OTHERS, plus 5/90/180 DAY CHART - This page converts all other currencies, in 1.0 unit, to the selected base currency. Another page shows a 5/90/180 day chart and exchange rates for all currencies.