As an art teacher I frequently use the protractor in 360 degrees accompanied by the ruler. It is very difficult to rotate the ruler. I can adjust the angle but have to recenter it. It would be extremely helpful to be able to rotate and move the ruler at the same time.
As an art teacher I frequently use the protractor in 360 degrees accompanied by the ruler. It is very difficult to rotate the ruler. I can adjust the angle but have to recenter it. It would be extremely helpful to be able to rotate and move the ruler at the same time.