The 3DMA-Rock software package is no longer available on this webpage. It has been commercialized by Nihon Visual Science, Inc. If you are interested in purchasing the software, please contact: Nihon Visual Science, Inc. 4th Floor / Coral Bldg. 6-26-2 Shinjuku-ku, Shinjuku Tokyo, 160-0022, Japan Tel: 03-5155-5561 Fax: 03-5155-5560 E-mail: info@nvs.co.jp