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Investigation into the symbols used for Braille. Braille is a code which enables blind people to read. It was designed in 1833 by a Frenchman, Louis Braille. Task 1 How many possible patterns are there?. Black circles represent the raised dots. Results Table. - PowerPoint PPT Presentation
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Investigation into the symbols used for Braille
Braille is a code which enables blind people to read.
It was designed in 1833 by a Frenchman, Louis Braille.
Task 1 How many possible patterns are there?
Results Table
Black circles represent the raised dots.
