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.