Talk:Gardner–Salinas braille codes

External links modified
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 * Added archive https://web.archive.org/web/20120420124208/http://dots.physics.orst.edu:80/gs_index.html to http://dots.physics.orst.edu/gs_index.html

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Should there be a specific symbol for i (sqrt -1)?
91.240.227.220 (talk) 09:41, 21 February 2023 (UTC)