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The Psychology of Arithmetic ⠃⠗⠋ braille edition

Grade 1 — uncontracted, letter-for-letter. Translated on this server by our own braille engine (BRF — Braille Ready Format, Library of Congress fdd000551). View Grade 2 instead.

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536,202 braille cells · 555 embossed pages at 40×25 · 8,503 unrepresentable characters omitted

⠠⠽⠕⠥⠀⠺⠊⠇⠇⠀⠃⠑⠀⠛⠊⠧⠑⠝⠀⠑⠊⠛⠓⠞⠀⠍⠊⠝⠥⠞⠑⠎⠀⠞⠕⠀⠋⠊⠝⠙
⠀⠞⠓⠑⠀⠁⠝⠎⠺⠑⠗⠎⠀⠞⠕⠀⠁⠎⠀⠍⠁⠝⠽⠀⠀⠀⠕⠋⠀⠞⠓⠑⠎⠑⠀
⠁⠙⠙⠊⠞⠊⠕⠝⠀⠑⠭⠁⠍⠏⠇⠑⠎⠀⠁⠎⠀⠏⠕⠎⠎⠊⠃⠇⠑⠲⠀⠠⠺⠗⠊⠞⠑⠀
⠞⠓⠑⠀⠁⠝⠎⠺⠑⠗⠎⠀⠕⠝⠀⠞⠓⠊⠎⠀⠀⠀⠏⠁⠏⠑⠗⠀⠙⠊⠗⠑⠉⠞⠇⠽⠀
⠥⠝⠙⠑⠗⠝⠑⠁⠞⠓⠀⠞⠓⠑⠀⠑⠭⠁⠍⠏⠇⠑⠎⠲⠀⠠⠽⠕⠥⠀⠁⠗⠑⠀⠝⠕⠞⠀
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⠁⠉⠉⠥⠗⠁⠉⠽⠂⠀⠃⠥⠞⠀⠊⠞⠀⠊⠎⠀⠍⠕⠗⠑⠀⠊⠍⠏⠕⠗⠞⠁⠝⠞⠀⠞⠕⠀
⠓⠁⠧⠑⠀⠽⠕⠥⠗⠀⠁⠝⠎⠺⠑⠗⠎⠀⠗⠊⠛⠓⠞⠀⠞⠓⠁⠝⠀⠀⠀⠞⠕⠀⠞⠗⠽⠀⠁⠀
⠛⠗⠑⠁⠞⠀⠍⠁⠝⠽⠀⠑⠭⠁⠍⠏⠇⠑⠎⠲⠀⠀⠀⠀⠀⠀⠼⠊⠃⠛⠀⠀⠀⠀⠼⠃⠊⠛⠀⠀
⠼⠁⠉⠋⠀⠀⠀⠀⠼⠙⠓⠋⠀⠀⠀⠀⠼⠉⠓⠙⠀⠀⠀⠀⠼⠁⠛⠋⠀⠀⠀⠀⠼⠃⠛⠛⠀⠀⠀⠀
⠼⠓⠉⠛⠀⠀⠀⠀⠀⠼⠉⠛⠊⠀⠀⠀⠀⠼⠊⠃⠑⠀⠀⠀⠀⠼⠉⠙⠚⠀⠀⠀⠀⠼⠛⠋⠑⠀⠀⠀
⠼⠙⠛⠛⠀⠀⠀⠀⠼⠛⠓⠉⠀⠀⠀⠀⠼⠙⠙⠑⠀⠀⠀⠀⠼⠓⠓⠃⠀⠀⠀⠀⠀⠼⠛⠑⠋⠀⠀⠀
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⠼⠋⠓⠃⠀⠀⠀⠀⠼⠊⠑⠊⠀⠀⠀⠀⠀⠼⠓⠉⠛⠀⠀⠀⠀⠼⠊⠓⠉⠀⠀⠀⠀⠼⠉⠓⠋⠀⠀⠀
⠼⠁⠙⠚⠀⠀⠀⠀⠼⠃⠋⠋⠀⠀⠀⠀⠼⠃⠚⠚⠀⠀⠀⠀⠼⠑⠊⠙⠀⠀⠀⠀⠼⠋⠚⠉⠀⠀⠀⠀
⠼⠊⠃⠙⠀⠀⠀⠀⠼⠉⠁⠑⠀⠀⠀⠀⠼⠉⠑⠉⠀⠀⠀⠀⠼⠓⠁⠃⠀⠀⠀⠀⠼⠋⠛⠊⠀⠀⠀⠀
⠼⠉⠋⠋⠀⠀⠀⠀⠼⠙⠓⠁⠀⠀⠀⠀⠼⠁⠁⠓⠀⠀⠀⠀⠀⠼⠁⠁⠚⠀⠀⠀⠀⠼⠋⠋⠁⠀⠀⠀
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⠼⠛⠓⠁⠀⠀⠀⠀⠀⠼⠓⠑⠙⠀⠀⠀⠀⠼⠛⠊⠙⠀⠀⠀⠀⠼⠑⠙⠛⠀⠀⠀⠀⠼⠉⠑⠑⠀⠀⠀
⠼⠛⠊⠋⠀⠀⠀⠀⠼⠑⠉⠑⠀⠀⠀⠀⠼⠓⠙⠊⠀⠀⠀⠀⠼⠛⠑⠋⠀⠀⠀⠀⠀⠼⠊⠋⠑⠀⠀⠀
⠼⠁⠛⠛⠀⠀⠀⠀⠼⠁⠊⠃⠀⠀⠀⠀⠼⠓⠉⠙⠀⠀⠀⠀⠼⠓⠑⠚⠀⠀⠀⠀⠼⠉⠃⠉⠀⠀⠀⠀
⠼⠁⠑⠛⠀⠀⠀⠀⠼⠃⠃⠃⠀⠀⠀⠀⠀⠼⠉⠙⠙⠀⠀⠀⠀⠼⠁⠃⠙⠀⠀⠀⠀⠼⠙⠉⠊⠀⠀⠀
⠼⠑⠋⠛⠀⠀⠀⠀⠼⠛⠉⠉⠀⠀⠀⠀⠼⠃⠃⠊⠀⠀⠀⠀⠼⠊⠑⠉⠀⠀⠀⠀⠼⠑⠃⠑⠀⠀⠀⠀
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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.