Fare Calculator Question

Hi Daniel,
On your fare calculator page it shows that a 7 day pass costs 29650JPY after entering numerous destinations for my travel plans.
Yet when I go to order a pass it shows a cost of $288USD for a 7 day pass. Today's exchange rate shows that $288USD is actually 40,717JPY.
Where can I find that fare calculator rate of 29650JPY for a 7 day pass? Am I doing or reading something wrong?
Thank you