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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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Plot the egg carton surface z = sin(x)·sin(y) in 3D. Free interactive graph showing a periodic doubly-curved surface. Useful for studying bivariate periodic functions.
Mathematical expression: sin(x) * sin(y)