# Visible Lattice Points and Approximations to Pi

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A lattice point is visible from the origin if there is no other lattice point on the segment , which happens if and only if . The proportion of such lattice points is .

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Contributed by: Chingis Matayev (August 2015)

(Illinois Mathematics Summer REU Program 2015)

Open content licensed under CC BY-NC-SA

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"Visible Lattice Points and Approximations to Pi"

http://demonstrations.wolfram.com/VisibleLatticePointsAndApproximationsToPi/

Wolfram Demonstrations Project

Published: August 4 2015