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A braille cell for subtraction in the Nemeth code.
Also known as: Nemeth subtraction sign, Braille minus operator
In the Nemeth braille code the minus sign is written with dots three and six, distinguishing subtraction from the hyphen of literary braille that shares the same dots.
Denotes subtraction within the Nemeth code.
Contexts: Language and transcription
Shares its dot pattern with the literary hyphen, which is exactly the collision that makes switching between codes hazardous without an indicator.
Contexts: Language and transcription
A cell with dots three and six raised, used within a mathematical expression.