A math textbook (right) transcribed into braille. Door for scale. Submitted by boredandbloody t3_z7a0rp on November 28, 2022 at 10:00 PM in mildlyinteresting 61 comments 720
Clone78 t1_iy7cunn wrote on November 29, 2022 at 7:49 AM trigonometry must be fun to learn Permalink 2
A math textbook (right) transcribed into braille. Door for scale.
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