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).

FiftyThree, the New York-based company behind a popular drawing app and accompanying smart stylus, has revealed its next steps to infiltrate the potentially lucrative enterprise realm: a new set of ...

Below is the graph of a quadratic function, showing where the function is increasing and decreasing. If we draw in the tangents to the curve, you will notice that if the gradient of the tangent is ...

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 ...