Library / Mathematics / Amusements in Mathematics / Braille
Amusements in Mathematics ⠃⠗⠋ 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
971,552 braille cells · 1,011 embossed pages at 40×25 · 15,933 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.