Excel is probably Microsoft’s most popular developer tool. With a built-in functional programming language that now supports lambdas and variables, Excel has become a tool that people build businesses ...

Charts and graphs are essential to summarize an extensive data set in visual form. They make presenting and interpreting information easier and even more fun. Here’s how to make a chart or add a graph ...

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 ...