Graphmatica software (version 2.2d) is a powerful graphing tool that allows s to plot 2D and 3D mathematical functions and equations. It s a variety of mathematical functions including trigonometric, logarithmic, and exponential functions, and allows s to customize the appearance of graphs with different colors, styles, and line widths. The software also s zooming and panning, and allows s to export graphs in various formats such as PNG, BMP, and EMF. It is a useful tool for students, teachers, and researchers in mathematics, science, and engineering.