Calc 3D is an international shareware program for calculating 3-dimensional vectors, matrices, complex numbers and quaternions with Windows 95/98/NT.

For objects like point, line, plane and sphere distances, intersections, volume, area of squeres, area of a triangle can be calculated.

Cartesian coordinates, spherical coordinates und cylindrical coordinates can be transformed into each other.

Calc 3D is free now. Please use for the registration:

username: "Now Freeware"

key: "6029-9275-8747-8359"

The programm is now in five languages (german, english, spanish, italian and portugese) available. You can choose them in the programm.