Braille System
Updated February 21, 2017 | Factmonster Staff 
Louis Braille, who became blind from an accident at age 3, developed the Braille System to help teach blind children to read and write. The system of letters, numbers, and punctuation marks consists of six raised points or dots used in 63 possible combinations.
 Alphabet in Braille |
 Numbers and Punctuation Marks in Braille |
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