Holdover

That policy is a holdover from days of punch card data entry.

Castle Rock Middle School was a frowning pile of red brick standing between the Post Office and the Library, a holdover from the time when the town elders didn't feel entirely comfortable with a school unless it looked like a reformatory.

This rangefinder not only measures the distance to the target, but also provides a digital readout of the inches of holdover at that distance.