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Eratosthenes and the circumference of the earth

Author:Malin Christersson

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Level Curves
Graph of y = a(x − h)² + k
Math Art Construction
Graph of y = ax² + bx + c
Toroidal Spiral

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Complex numbers: operations
Straight Line Graphs
Page 250
Quadrilateral Interior Angles Sum
picture 1

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Limits
Surface
Bar Chart or Bar Graph
Coordinates
Combinatorics

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