Skip to contentSkip to Braille Studio

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.