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