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Cells opening and closing a fraction.
Also known as: Braille fraction opening, Nemeth fraction cells
In the Nemeth braille code a fraction is opened and closed by indicator cells with a separating line cell between numerator and denominator, since braille is linear and a fraction is not.
Opens and closes a fraction, with a separator between numerator and denominator.
Contexts: Language and transcription
Solves a real problem: print mathematics is two-dimensional and braille is a single line, so vertical structure must be expressed by brackets.
Contexts: Language and transcription
An opening cell, the numerator, a separating cell, the denominator and a closing cell, all written in a single line.