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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.

Download .brf — Grade 2 Download .brf — Grade 1 Plain-text reader .txt

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.