Currency Calculator is a program for the OnHandPC to convert diverent
currencies. The settings are in a text-file called rate.txt.
You can edit this with any editor. The first line contains
the homecurrency (3 letters). The second line contains the
foreigncurrency (also 3 letters). The third line contains
the rate (rate*foreigncurrency=homecurrency, the number must
have 6 letters, including the point). Have a look at the example