Skip to contentSkip to Braille Studio

Library / Mathematics / The golden mean / Braille

The golden mean ⠃⠗⠋ 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

1,037,718 braille cells · 1,501 embossed pages at 40×25 · 2 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.