Software by Math Mechanixs, LLC.:

Math Mechanixs is an easy to use scientific math program with a Math Editor worksheet for solving mathematical problems and taking notes, an extendable Function Library with over 170 predefined functions and an integrated Function Solver, a 2D & 3D Graphing Utility supporting point labels, zooming, rotation, translation and numerous types of graphs, and a Calculus Utility supporting single, double, and triple integration and differentiation.