Get started with <code>GraphLib</code>, an open source library for graphing mathematical functions, plotting points, and drawing line graphs in Android. Includes Java source code and the complete ...

All quadratic functions have the same type of curved graphs with a line of symmetry. The graph of the quadratic function y = a x 2 + b x + c is a smooth curve with one turning point.

Ivan Baggs, Functions with a Closed Graph, Proceedings of the American Mathematical Society, Vol. 43, No. 2 (Apr., 1974), pp. 439-442 ...