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Step 1: Sector Area Calculator
Calculate the area of a circular sector from radius and central angle.
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Step 2: 3D Distance Calculator
Calculate the distance between two points in 3D space.
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Step 3: Vector Magnitude Calculator (2D)
Calculate the magnitude and direction angle of a 2D vector.
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Step 4: Parabola Vertex Calculator
Calculate the vertex of a parabola y = ax² + bx + c.