Relative Purchasig Power Parity (RPPP) Calculator Notes
Current Spot Rate, S Spot exchange rate, US$ per foreign currency
Domestic Inflation Rate (%)  Inflation rate in home country, such as 5(%)
Inflation in Foreign Country (%)  Inflation in foreign country, such as 5(%)
Changes in Exchange Rates (%)  -- Changes in Exhcange rates
Forcasted Foreign Exchange Rate based on RPPP (US$ per foreign currency) -- Estimated Exchange Rates 

Notes:

 Relative Purchasig Power Parity (RPPP) is an extension of the Purchasing Power Parity.    According to relative purchasing power parity (RPPP), the difference between the two countries interest rates of inflation and the cost of commodities will drive changes in the exchange rate between the two countries.

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