More than 300 exabytes of data are created every day. To put that number into perspective, one exabyte equals one billion ...

Let's break down the essential Excel chart types and how to use them effectively. In an Excel bar chart, each data point is represented by a rectangular, horizontal bar. The length of each bar is ...

Graphs are a useful way to show different types of data. A variety of graphs, such as line, bar or pie graphs, are used to present different types of data. Graphs can be used to summarise data ...