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.