Library / Engineering & Technology / The calculating engine / Braille
The calculating engine ⠃⠗⠋ braille edition
Grade 2 — contracted English braille (EBAE-compatible subset). Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 1 instead.
Download .brf — Grade 2 Download .brf — Grade 1 Plain-text reader .txt
141,011 braille cells · 148 embossed pages at 40×25 · 446 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.