The common feature of all the different styles of tally marks is that after five marks have been recorded, another set starts. This is because counting used to be done more commonly using hands.

Tally is also used at BJ’s Wholesale Club and other grocery stores around the U.S. Check out how Tally the robot gets to work ...

A tally light is the light on a camera that lets the person being recorded know which camera is currently in use. Networking them all together often requires complex wiring or at least some sort ...