Division on Visual Impairments

DVI Quarterly Volume 59(1)

A quarterly newsletter from the Council for Exceptional Children's Division on Visual Impairments containing practitioner tips for Teachers of Students with Visual Impairments, Certified Orientation and Mobility Specialists, and other professionals.

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Q. What were the other revisions to the Nemeth Code? A. APH published two newer editions of the official code book in 1965 and 1972. Q. Were there any major changes in these revisions of the code book? A. In 1965 we got rid of a rule about using two spaces to switch between text and mathematics. We also made parentheses more consistent. In 1972 the changes were noticed by transcribers but probably not by anybody else. Since 1972 there have been two addendums, for key caps (symbols for keys on a keyboard) and for ancient numeration systems. Q. When will the Nemeth Code be finished? A. When will mathematical notation be finished? The purpose of changes is improvement, not changes. Mathematicians are intrinsically lazy creatures. They spend years trying to find an easier way to do things. 16

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