Notes

Convert USD to 7 most common currencies
function start() {
var input = readInt("How much USD would you like to convert: ");
var output = readLine("Select conversion: Euros, Canadian Dollars, British Pounds, Swiss Francs, New Zealand Dollars, Australian Dollars, Japanese Yen: ");
convert(input, output);
}
function convert(num1, string){
if (string == "Euros") {
var conversion = num1*0.92;
}
if (string == "Canadian Dollars") {
var conversion = num1*1.39;
}
if (string == "British Pounds") {
var conversion = num1*0.8;
}
if (string == "Swiss Francs") {
var conversion = num1*0.97;
}
if (string == "New Zealand Dollars") {
var conversion = num1*1.64;
}
if (string == "Australian Dollars") {
var conversion = num1*1.53;
}
if (string == "Japanese Yen") {
var conversion = num1*106.61;
}

println("You converted " + num1 + " USD into " + conversion + " "+ string);
}
I discovered that i cant use click mouse methods which would have made the options menu a lot easier to make. I also had trouble finding a way to make a click drop down menu so i decided to manually type the options and i couldn't do all 180 currencies because that would be overdo-ing it and repetitive