The graph colouring problem, a classic NP-hard challenge, is central to many practical applications such as scheduling, resource allocation and network management. Recent advances have seen the ...

Adobe Illustrator's Graph tool opens a miniature spreadsheet-like window into which you can enter rows and columns of data to produce column, bar, line, area, scatter, pie and radar graphs. Its line ...

For the CMYK color scheme, color specifications must be enclosed in quotation marks. For all other color schemes, the quotes are optional. You can freely intermix color-naming schemes in your programs ...

Color can make it easier for people to identify important information, such as legends on an Excel graph. Professional designers learn to use color coding effectively to make websites, applications ...

A theorem for coloring a large class of “perfect” mathematical networks could ease the way for a long-sought general coloring proof. Four years ago, the mathematician Maria Chudnovsky faced an all-too ...

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 ...

In 1950 Edward Nelson, then a student at the University of Chicago, asked the kind of deceptively simple question that can give mathematicians fits for decades. Imagine, he said, a graph — a ...