1)   Calc 3D 0.0.31
Calc3D is a calculator for vectors, matrices, complex numbers, quaternions and coordinates. For objects like point, line, plane and sphere distances, intersections, volume, area of squeres, area of a triangle can be calculated. (5 languages)
vectors, matrix, complex, quaternion, intersection, addition, division, subtraction, spatproduct, skalarproduct,

 2)   Calc 3D Pro 2.1.4
Calculator for statistic, function plottting, vectors, matrices, complex numbers, coordinates, intersections. For objects like point, line, plane and sphere distances, intersections, volume, area of squeres, area of a triangle can be calculated.
statistic, fit, vectors, matrix, complex, quaternion, intersection, polygon, division, subtraction,