Hardly anything, and there are two options for payment.
Option One is ¥8,000 annually. Your entitled to free attendance to monthly meetings and a 30% discount on workshop and other special events. You also get 50% off the guest price for the first guest you bring to a monthly meeting (you can bring more than one guest, but the others pay the full price).
Option Two is ¥5,000 annually but you pay half price for the monthly meetings, no discount for your guests and only 10% off workshop or other special event costs.
Next entry: What is the cost of a monthly meeting?
Between meetings, you can keep up with what is happening with TPC by participating in the club newsgroups and mailing lists This is a handy way to stay informed, look for information, or share your knowledge and tips.