Skip to contentSkip to Braille Studio

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.