BSL Sign Language Dictionary

Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.

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**How to sign:** a notation used by mathematicians

*Categories:* notation, notational system

*Within this category:* binary notation, decimal notation, decimal point, exponent, fixed-point notation, floating-point notation, hexadecimal notation, infix notation, numeration system, octal notation, parenthesis-free notation, radical, sign