Z-Plot is a free plotting software that permit you to visualize a multitude of mathematical functions and curves. The software has a strong mathematical formula interpreter, that also permit the customer user to handle complex numbers, easily. The display can be switched from 2D to 3D mode. Additionally, diagrams can be made from a data table. Selected application features: -3D/2D display that be rotated and scaled freely -The common mathematical functions are supported -Calculating with complex numbers is supported by any mathematical operation. Additionally, it is possible to determine the real part, imaginary part, argument and absolute value of complex expressions. -Choose between linear and logarithmic axes scaling. -Integrated calculator including numerical integral and differential calculus -Make diagrams from a data table -With detailed online help.