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#### 3.7.14 Vector Tutorial Exercise 1

Duplicate the vector, compute its length, then divide the vector by its length: `<RET> A /`.

         1:  [1, 2, 3]  2:  [1, 2, 3]      1:  [0.27, 0.53, 0.80]  1:  1.
             .          1:  3.74165738677      .                       .
                            .

             r 1            <RET> A              /                       A

The final `A` command shows that the normalized vector does indeed have unit length.