Take a gander at the Giant LED bar graph which [Chunky Hampton] recently completed (from this image we don’t think the nick name suits him). It’s simple both mechanically and electrical… ...

Sometimes bar graphs represent an average not a total count, which is trickier to understand. And because bar graphs are everywhere, psychologists from Wellesley College wanted to determine how well ...

Posted in hardware, Retrocomputing Tagged 70s, bar graph, comparator, daylight readable, display, incandescent, led, machined aluminum, minitron, retro, wamco ← The Naughty AIs That Gamed The System ...

The takeaway: every bar graph needs a zero on its scale. If you see one without a zero, be careful. In a future post I'll discuss whether line graphs and other graphs also need a zero on their scales.