Library / Mathematics / The Number Concept / Braille
The Number Concept ⠃⠗⠋ 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.
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294,321 braille cells · 307 embossed pages at 40×25 · 6,549 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.