Library / Mathematics / The Psychology of Arithmetic / Braille
The Psychology of Arithmetic ⠃⠗⠋ 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
536,202 braille cells · 555 embossed pages at 40×25 · 8,503 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.