144 Tangent Planes and Linear Approximations Mathematics Determine the plane that is tangent for a given equation with the help of a calculator. Discover the level that touches a certain point on a chart. Employ this innovative instrument to establish the slope and orientation of the surface at various points along the equation. Get precise answers instantly with our handy tangent plane calculator. Uncover the tangent plane at this moment for a better understanding of your equation's behavior.