We're going out -- but where shall we go? SceneTap is a new app that uses cameras in pubs and clubs to check out a venue right down to the number of boys and girls in the place. Richard Trenholm ...

Bar graphs seem like one of the simplest ways to represent data. Many people assume that the longer the bar, the bigger the number it represents. Sometimes bar graphs represent an average not a total ...

Bar graphs are graphical representations of statistical data in the form of strips or bars. This allows viewers to understand the difference between the various parameters of the data at a glance ...