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Library / Mathematics / The Golden Mean or Ratio[(1+sqrt(5))/2] / Braille

The Golden Mean or Ratio[(1+sqrt(5))/2] ⠃⠗⠋ braille edition

Grade 1 — uncontracted, letter-for-letter. Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 2 instead.

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265,653 braille cells · 292 embossed pages at 40×25 · 21 unrepresentable characters omitted

⠼⠃⠉⠙⠓⠋⠛⠁⠃⠙⠊⠋⠁⠙⠑⠋⠋⠊⠛⠋⠑⠚⠊⠉⠑⠓⠁⠊⠊⠊⠃⠙⠋⠚⠉⠓⠁⠉⠁⠑
⠊⠚⠊⠚⠊⠙⠑⠁⠙⠋⠚⠋⠃⠑⠑⠊⠓⠓⠉⠛⠑⠃⠚⠑⠛⠁⠓⠃⠉⠛⠑⠚⠛⠓⠋⠓⠑⠛⠚⠀
⠼⠃⠁⠃⠓⠊⠁⠓⠛⠑⠃⠙⠚⠊⠁⠉⠉⠚⠓⠚⠙⠑⠙⠚⠛⠙⠁⠊⠊⠓⠙⠑⠑⠉⠛⠃⠑⠚⠛⠙
⠑⠓⠊⠁⠚⠙⠉⠉⠋⠋⠓⠛⠛⠚⠊⠓⠁⠓⠁⠛⠋⠃⠓⠁⠙⠃⠛⠚⠚⠁⠉⠑⠓⠋⠃⠛⠃⠛⠊⠀
⠼⠙⠚⠃⠊⠛⠙⠚⠚⠚⠊⠋⠚⠙⠚⠑⠉⠉⠓⠓⠑⠋⠙⠑⠁⠋⠑⠊⠚⠉⠉⠑⠓⠛⠙⠊⠃⠚⠚⠙
⠉⠚⠙⠓⠊⠙⠋⠙⠚⠁⠊⠑⠚⠉⠑⠙⠃⠚⠚⠓⠊⠓⠛⠋⠉⠙⠚⠛⠃⠁⠙⠚⠊⠑⠋⠃⠉⠙⠑⠀
⠼⠃⠋⠉⠉⠓⠚⠉⠉⠙⠑⠚⠉⠓⠁⠋⠛⠚⠁⠙⠁⠑⠚⠋⠑⠉⠚⠚⠙⠑⠑⠃⠓⠉⠋⠊⠊⠃⠛⠊
⠃⠚⠙⠋⠁⠚⠉⠙⠃⠋⠛⠉⠛⠓⠁⠛⠛⠋⠊⠋⠑⠛⠊⠋⠓⠃⠚⠋⠊⠛⠃⠓⠙⠋⠊⠑⠓⠉⠙⠀
⠼⠊⠉⠉⠚⠑⠓⠉⠉⠋⠓⠁⠚⠚⠋⠚⠚⠉⠑⠃⠋⠙⠙⠊⠊⠚⠑⠉⠉⠊⠚⠚⠃⠊⠁⠙⠁⠙⠊⠉
⠚⠛⠙⠊⠓⠚⠉⠓⠓⠃⠋⠛⠉⠙⠓⠓⠊⠑⠋⠑⠊⠑⠓⠋⠁⠛⠁⠛⠑⠛⠑⠁⠃⠋⠙⠛⠃⠑⠉⠀
⠼⠃⠋⠙⠁⠁⠊⠋⠙⠋⠁⠙⠓⠓⠓⠑⠉⠃⠋⠓⠋⠛⠓⠃⠃⠋⠛⠓⠋⠓⠃⠋⠑⠊⠉⠛⠁⠁⠙⠛
⠛⠊⠃⠚⠃⠊⠊⠃⠓⠛⠑⠊⠓⠉⠙⠚⠃⠉⠋⠁⠓⠚⠓⠚⠛⠛⠁⠁⠊⠁⠃⠁⠛⠉⠓⠓⠛⠉⠊⠀
⠼⠛⠓⠓⠋⠉⠋⠑⠁⠑⠊⠛⠉⠉⠃⠃⠑⠛⠛⠊⠃⠋⠃⠃⠉⠛⠉⠁⠑⠋⠛⠉⠑⠛⠓⠓⠙⠊⠙⠛
⠁⠙⠙⠋⠑⠉⠃⠉⠓⠋⠃⠉⠉⠉⠉⠓⠋⠉⠚⠙⠊⠑⠓⠊⠚⠁⠃⠁⠊⠋⠚⠑⠚⠃⠊⠛⠛⠚⠓⠀
⠼⠉⠁⠋⠚⠊⠉⠁⠉⠙⠃⠑⠃⠉⠓⠙⠛⠓⠉⠁⠚⠉⠓⠑⠙⠋⠉⠉⠙⠛⠛⠓⠑⠁⠚⠛⠊⠛⠓⠑
⠉⠃⠃⠃⠛⠊⠊⠃⠚⠑⠊⠑⠓⠉⠊⠋⠉⠙⠚⠊⠉⠃⠉⠓⠛⠋⠉⠉⠙⠊⠙⠃⠑⠙⠙⠑⠁⠑⠚⠀
⠼⠃⠋⠊⠑⠁⠁⠉⠋⠃⠙⠚⠊⠓⠋⠃⠚⠚⠉⠙⠑⠊⠃⠃⠉⠊⠁⠚⠉⠚⠋⠊⠙⠑⠑⠓⠉⠓⠋⠁
⠑⠛⠋⠙⠛⠓⠁⠑⠛⠁⠊⠚⠉⠃⠁⠛⠙⠛⠉⠊⠙⠊⠓⠙⠃⠓⠓⠊⠊⠊⠊⠋⠁⠉⠊⠃⠓⠋⠉⠀
⠼⠉⠋⠛⠊⠋⠃⠛⠓⠊⠙⠋⠑⠚⠁⠉⠚⠚⠃⠙⠋⠋⠁⠓⠃⠉⠋⠑⠉⠑⠁⠋⠊⠓⠛⠙⠑⠑⠋⠚
⠑⠓⠁⠉⠚⠙⠓⠁⠉⠉⠓⠙⠊⠓⠉⠃⠚⠋⠁⠛⠋⠊⠉⠃⠑⠑⠃⠚⠊⠁⠛⠓⠁⠃⠊⠁⠙⠁⠊⠀
⠼⠛⠚⠛⠓⠊⠋⠛⠚⠛⠁⠊⠛⠊⠋⠙⠓⠙⠑⠛⠑⠑⠃⠑⠊⠓⠑⠊⠁⠋⠚⠁⠑⠁⠑⠙⠛⠙⠋⠚
⠉⠛⠑⠙⠉⠛⠋⠁⠁⠛⠓⠑⠉⠊⠋⠑⠉⠁⠉⠁⠁⠑⠉⠓⠛⠋⠙⠚⠚⠋⠑⠑⠙⠊⠃⠊⠓⠋⠛⠀
⠼⠛⠚⠁⠉⠚⠓⠉⠉⠊⠙⠓⠑⠓⠉⠉⠋⠃⠊⠋⠉⠊⠑⠑⠓⠚⠁⠉⠃⠑⠁⠑⠊⠋⠙⠉⠑⠊⠙⠙
⠋⠁⠃⠛⠑⠉⠋⠉⠁⠁⠙⠋⠉⠓⠉⠛⠊⠑⠉⠚⠊⠓⠋⠓⠊⠛⠚⠊⠓⠁⠓⠛⠙⠚⠃⠉⠃⠓⠁⠀
⠼⠉⠉⠋⠃⠑⠃⠃⠓⠛⠋⠉⠃⠁⠃⠙⠋⠁⠋⠃⠙⠑⠋⠊⠃⠉⠃⠉⠚⠑⠋⠛⠓⠓⠚⠃⠓⠛⠚⠉

These are the same pages the .brf download embosses — form-feed breaks and all. BRF opens in braille software (Duxbury, BrailleBlaster), on embossers, and on refreshable displays.