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3D Graphing Calculator

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surface

Tip: Enter z = f(x,y) for surfaces, or x(t), y(t), z(t) for parametric curves. Use u,v for parametric surfaces.

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Monkey Saddle 3D Graph Calculator

Interactive 3D Surfaces Visualization

Visualize the monkey saddle z = x³ - 3xy² in 3D. Free interactive graph of this surface with three valleys and three ridges. Key example in differential geometry and critical point theory.

Mathematical expression: x^3 - 3*x*y^2

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