Turn a raw number into a real one

Getting the lesson ready…

Scaling turns a raw number into one people can read, by stretching one range onto another.

Turn a raw number into a real one: the words you will learn

the lowest and the highest a number can be

range

turning a number from one range into the matching number in another

scaling

the boxes that do it

NORM_X and SCALE_X (Siemens), SCP and SCL (Rockwell)