A norm is a function that measures the size or length of a vector ... The most common norm — gives the actual geometric length of a vector, like using a ruler from the origin to the point. Squared ...

These 12 essential marking tools help woodworkers measure precisely, cut cleanly, and bring symmetry and accuracy to every ...

The spheroid() module provides several different ways to make a sphere, and the text modules let you write text on a path so you can place it on a curved object. A ruler lets you measure objects.