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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.

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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.