Calc 3D
		Calc3D is a calculator for 3-dimensional vectors, matrices, complex numbers, quaternions. For objects ( like point, line, plane and sphere) distances, intersections,... http://www.greuer.de/Calc3D08.zip - 409KB - Download - Screenshot

		Calc 3D Pro
		Calc 3D is a collection of mathematical tools for highschool and university. The calculator can do statistics, best fits, function plotting, integration. It handles... http://www.calc3d.com/zip/cldpen01.exe - 4.13MB - Download - Screenshot - Buy It