Vector Calculator
Perform vector operations: addition, subtraction, dot product, cross product, and magnitude in 2D or 3D.
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Frequently Asked Questions
What is a dot product used for?
The dot product measures how parallel two vectors are. It equals |A||B|cosθ. A dot product of zero means the vectors are perpendicular.
When do I use cross product?
Cross product gives a vector perpendicular to both inputs. Used in physics (torque, angular momentum) and 3D graphics (surface normals).