This privacy policy covers how Mathematec treats your personal information. Mathematec is committed to pay serious attention for your personal information that Mathematec receives and for protecting your privacy. Mathematec provides sufficient supervision to treats your personal information securely. This policy applies to personal information held by Mathematec in Japan. Any other item which are not described in the policy shall be treated in accordance with Personal Information Protection Law in Japan. If you email us your inquiries including your personal information, Mathematec may send them to our related departments or persons to understand or investigate the contents.  In this case, this personal information supervised by our limited members and Mathematec does not disclose or provide the personal information to third parties except with the consent of the customer from whom the personal information was obtained or when there is a legitimate reason. If you look at this web site, your information like IP address log data remain in our server. However, Mathematec does not understand who the reader is from this type of data. Mathematec may prepare a statistical data and announce it made by the log data to investigate how often the reader accesses, how we should do to be accessed more. However, Mathematec does not disclose or provide the IP address itself to third parties. Mathematec may change contents of this web site without any notice. This web site links to other related web sites. Mathematec does not responsible for those web sites. If you have any question or request, please email to the following address. 　info@mathematec.com