If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

Want to create beautiful animated charts or graphs? Here are the best free online graph and chart maker tools that let you generate animated graphs online. These websites provide a feature to ...

Learn how to make everything from basic line graphs to racing bar charts — all interactive and easily animated — with the echarts4r R package. While I’m mostly settled on ggplot2 for static plots, I’m ...

School’s almost here, which means so’s the task of buying school supplies. If you’re a high school or college student—or if you’re buying stuff for someone who is—one of the items on that list is ...

A new study suggests that the format in which graphs are presented may be biasing people into being too optimistic or pessimistic about the trends the graphs display. Academics found that when people ...