Format numbers for human consumption.

Compute the Voronoi diagram of a set of two-dimensional points.

Parse and format times, inspired by strptime and strftime.

Graphical primitives for visualization, such as lines and areas.

Encodings that map abstract data to visual representation.

A calculator for humanity’s peculiar conventions of time.

Interpolate numbers, colors, strings, arrays, objects, whatever!

Serialize Canvas path commands to SVG.

Array manipulation, ordering, searching, summarizing, etc.

Color spaces! RGB, HSL, Cubehelix, CIELAB, and more.