Skip to contentSkip to Braille Studio

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.

Download .brf — Grade 2 Download .brf — Grade 1 Plain-text reader .txt

294,321 braille cells · 307 embossed pages at 40×25 · 4,849 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.