• Faculty members and Ph.D.students / 24 hours (including weekends and holidays)
• Other graduates and senior undergraduates / from 9:00am to 6:00pm (Mon. through Fri.)

• Usage is possible during other hours with permission from a librarian or faculty members(of our department).
• A security card is required for entry(or I.D. card for faculty members).

• Students and faculty members of Keio University
• Emeritus professors and retired employees of Keio University
• Visiting researchers

• To check out materials, you must present the items you want to check out along with your (student) ID card at the library reception counter.
• Visiting researchers shall contact a librarian or faculty staff members.
• External researchers can also read books only inside the reading room. Please feel free to ask a librarian.

Status	Checkout period	Number of books
Faculty staff members of Department of Mathematics	Three months	No Limit
Students (including auditing students)	Japanese books： 2 weeks Foreign books： 1 month	7
Other users		10

Come to the office (room no. 14-535) with the material you need and an ID card (student ID for students).

You can reserve an item that is checked out. Come to the office or contact a librarian. When the item has been returned, you will be notified by email etc. This service is only for students and faculty staff members of Keio University.

You may enjoy the following services.
• OPAC (Online search)
• E-journals
• E-books (Springer, Cambridge Univ. Press)
Some of the pages are in Japanese. Some services may be available only in the campus network.