We challenge you to answer these questions about the reading-and-writing system used by persons with visual disabilities.
Only letters can be written in Braille.
False: Braille includes numbers, musical, mathematical, and scientific symbols.
The system is called Braille, because it bears the surname of the person who created it.
True: The system was created by Louis Braille in 1821.
Braille can only be written by hand.
False: In addition to handheld whiteboards, there are typewriters and Braille printers.