Plotting a graph takes time. Often mathematicians just want to know the key features. These are: shape, location and some key points (such as where the graph crosses the axes or turning points).

Most people know Paper by FiftyThree as the best sketching app for iPad, but what if you're not an artist? To make sure anyone can put together a professional-looking chart, model, or graph, Paper is ...

The Etch A Sketch was never supposed to meet a Raspberry Pi, a camera, or a mathematical algorithm, but here we are. [Tekavou]’s Teka-Cam and TekaSketch are a two-part hack that transforms real photos ...