Forbes contributors publish independent expert analyses and insights. I help people communicate data clearly with graphs. The solution is simple: interchange the axes to use a horizontal bar chart ...

Thanks to their visual simplicity, bar graphs are popular tools for representing data. But do we really understand how to read them? New research has found that bar graphs are frequently misunderstood ...

The circuit in Figure 1 uses only five I/O lines to drive a dot- or bar-graph display of 20 LEDs. Although this version of the design uses a small and inexpensive one-time-programmable microprocessor, ...