Library / Mathematics / How to become a lightning calculator / Braille
How to become a lightning calculator ⠃⠗⠋ 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
17,827 braille cells · 19 embossed pages at 40×25 · 219 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.