Calc 3D is a very useful educational software. It is a collection of mathematical tools used by yourself and kids in schools or universities. It is compatible with Windows 95,98, XP and NT. The interface of the utility is comprehensive. You can check out all the options available given as menus. A drop-down menu allows you to select whether you need to work with vectors, matrices, circle, trainer, and many others. If you select point, line or plane, you can calculate the distances between points, volume and area of shapes, etc. You can accomplish complex calculations with Cartesian, Spherical and Cylindrical coordinates. You will never find working with complex numbers complex anymore with the help of this tool. It can work around with three-dimensional figures like circles, polygons etc. The editor allows you to edit the font, paragraph, insert pictures and symbols and plot cartesian and polar functions. There is a trainer for starters in arithmetic and a calendar option. It gives you all the help you ever needed with mathematics.