Mathematics the Japanese Way


Panchira maniacs will have to master the trigonometric relationships governing pantsu visibility if they are to successfully circumvent the modesty of escalator riders and stair ascenders.

Is it any wonder Japan has had strong performance in international rankings for such subjects?

This is from the “Dream Laboratory” series of textbooks, apparently not officially adopted by the Japanese educational system, but popular enough to inspire a lengthy series of sequels.

See also the Korean edition of same, showing similar panchira trignometry…

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