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 change into probably the most extensively used tactile writing system on the planet.
Braille is made up of raised dots which are organized in cells. Every cell incorporates one to 6 dots, and the completely different preparations of dots symbolize completely different letters, numbers, and symbols. Braille can be utilized to write down any language, and it is usually used for music notation and arithmetic.