Braille is a tactile writing system utilized by people who find themselves blind or visually impaired. It was invented by Louis Braille within the nineteenth century and has since grow to be probably the most broadly used tactile writing system on the planet.
Braille is made up of raised dots which might be organized in cells. Every cell accommodates one to 6 dots, and the completely different preparations of dots signify completely different letters, numbers, and symbols. Braille can be utilized to jot down any language, and it’s also used for music notation and arithmetic.