Library / Mathematics / Amusements in Mathematics / Braille
Amusements in Mathematics ⠃⠗⠋ 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
821,176 braille cells · 847 embossed pages at 40×25 · 15,933 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.