Go to the first link in Resources to open XE's website.
Write a number under "Convert."
Select "USD" from the "From this currency" list.
Select "AUD" from the "To this currency" list.
Click the "Go" button.
Go to the second link in Resources to open OANDA's website.
Select "US Dollar" under "Currency I Have."
Select "Australian Dollar" under "Currency I Want."
Type a number under your first selection. The currency in AUD will show up under the "Australian Dollar" column.
Go to the third link in Resources to open Yahoo Finance's website.
Type "USD" in the first box and "AUD" in the second box.
Enter an amount under "USD." Your value in AUD shows up under the "AUD" column.