An introduction to Braille mathematics
Subtitle: based on The Nemeth Braille code for mathematics and science notation, 1972
By: by Helen Roberts, Bernard M. Krebs, Barbara Taffet.
Contributors: Krebs, Bernard Marvin, 1911- joint author.; Taffet, Barbara, joint author.; Nemeth, Abraham.; Library of Congress. National Library Service for the Blind and Physically Handicapped.
Publisher: Library of Congress
Published: 1978
Place of publication: Washington
Language: eng
Number of pages: 341
Subjects: Braille.; Mathematical notation.
Notes: At head of title: National Library Service for the Blind and Physically Handicapped, Library of Congress.
Includes index.