Skip to contentSkip to Braille Studio

Library / Engineering & Technology / The calculating engine / Braille

The calculating engine ⠃⠗⠋ 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

170,405 braille cells · 180 embossed pages at 40×25 · 256 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.