The GS8 or Gardner-Salinas Braille code is a method of encoding mathematical and scientific notation linearly using eight-dot Braille cells for tactile reading by the visually impaired.

The code was developed as a replacement for Nemeth Braille

Nemeth Braille

The Nemeth Braille Code for Mathematics is a Braille code for encoding mathematical and scientific notation linearly using standard six-dot Braille cells for tactile reading by the visually impaired. The code was developed by Abraham Nemeth....

 by John Gardner, a physicist at Oregon State University

Oregon State University

Oregon State University is a coeducational, public research university located in Corvallis, Oregon, United States. The university offers undergraduate, graduate and doctoral degrees and a multitude of research opportunities. There are more than 200 academic degree programs offered through the...

, and Norberto Salinas, an Argentinian mathematician.

The GS8 Braille Code is an example of a compact human-readable markup language

Markup language

A markup language is a modern system for annotating a text in a way that is syntactically distinguishable from that text. The idea and terminology evolved from the "marking up" of manuscripts, i.e. the revision instructions by editors, traditionally written with a blue pencil on authors' manuscripts...

. Its syntax is based on the LaTeX

LaTeX

LaTeX is a document markup language and document preparation system for the TeX typesetting program. Within the typesetting system, its name is styled as . The term LaTeX refers only to the language in which documents are written, not to the editor used to write those documents. In order to...

system for scientific typesetting.