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 · 10,327 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.