Brief method of dividing a given number by 9 or 11.
Publisher: Macmillan
Published: 1897
Place of publication: [London
Language: eng
Number of pages: 566
Subjects: Mathematics.
Notes: Caption title.

Signed at end: Charles L. Dodgson, Ch. Ch., Oxford.

Contained in: Nature, v. 56, no. 1459 (October 14, 1897)