Library / Mathematics / The Psychology of Arithmetic / Braille
The Psychology of Arithmetic ⠃⠗⠋ 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
464,017 braille cells · 476 embossed pages at 40×25 · 8,503 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.