is a portable command-line driven graphing utility for Windows platform. It was originally created to allow scientists and students to visualize mathematical functions and data interactively, but has grown to support many non-interactive uses such as web scripting. It is also used as a plotting engine by third-party applications like Octave.Gnuplot
supports many types of plots in either 2D and 3D. It can draw using lines, points, boxes, contours, vector fields, surfaces, and various associated text. It also supports various specialized plot types. Gnuplot
is easily extensible to include new output modes.Documentation / Demo
produces very high quality output.
An excellent graphing tool. It is easy to learn (although advanced features require a steep learning curve) and produces graphs that are equal to nearly any other graphing tool out there. Very well documented.
Excelent and simple.