TSUKUBA OCW (OpenCourseWare) is a platform to establish a new interface between the university and society in an attempt to identify the ideal way to disseminate the knowledge that the university is currently developing. If you abide by the following terms and conditions, you may not need to obtain permission from us or from the creator of the materials for use of educational materials provided by TSUKUBA OCW. These terms and conditions are subject to change without prior notice, so please make sure to confirm the latest information.Copyright The copyright of all content for TSUKUBA OCW basically belongs to the creators of the content, who are generally faculty members of the University of Tsukuba. Use permission conditions The use permission conditions for all content to be released on TSUKUBA OCW are subject to “Attribution-NonCommercial-ShareAlike 2.1 Japan (CC BY-NC-SA 2.1 JP)” of the Creative Commons License. “Attribution, BY” refers to the credits of creators, while “Noncommercial, NC” means that the educational materials cannot be used for the purpose of making profit. “ShareAlike, SA” means that any secondary products created as a result of modification, transformation, or processing of original educational materials by users can be distributed only under the same conditions that apply to the originals. Furthermore, users can freely copy, distribute, and display educational materials, as well as create secondary products, if they adhere to these conditions. For more information, please click on the banner below. Personal information Regarding the handling of personal information, we manage all information properly according to the National University Corporation University of Tsukuba Personal Information Protection and Management Regulations (PDF), and do not use information for any other purpose.