A⃗ = A_{x}î+ A_{y}ĵ+ A_{z}k̂

B⃗ = B_{x}î+ B_{y}ĵ+ B_{z}k̂

A⃗ × B⃗ = (A_{y}B_{z} − A_{z}B_{y}) î +

(A_{z}B_{x} − A_{x}B_{z}) ĵ + (A_{x}B_{y} − A_{y}B_{x}) k̂

A⃗ × B⃗ = | \begin{matrix}î & ĵ & k̂ \\ A_{x} & A_{y} & A_{z} \\ B_{x} & B_{y} & B_{z} \end{matrix} |

τ⃗ = r⃗ × F⃗