You use this window, when you add or edit currencies.
1) You choose the currency by using the "drop down" list.
2) You enter the date.
3) You enter the currency price.
Please note that the currency price entered must be for 100 of the foreign currency. Amateur Invest will automatically convert the prices, when it calculates profit/loss for the portfolio.
Ex. 1: if the base currency is USD (US Dollars), the GBP (British Pounds) price can be 140. This means that you'll have to pay 140 USD in order to get 100 GBP.
Ex. 2: if the base currency is USD (US Dollars), the EUR (EURO) price can be 125. This means that you'll have to pay 125 USD in order to get 100 EUR.