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Science Is Fun Books

Pi Memory Challenge - 1000 Digits
by Science Is Fun Books ~ Paperback / softback

The 1000 Digit edition of the Pi Memory Challenge is a 100 Page Lined Blank Journal Notebook which makes the perfect gift for a math teacher or an ambitious student. Perfect for notes, homework, or proving esoteric math theorems (just make sure your margins are wide enough)

Available - Usually ships in 2-3 weeks