Curvilinear 

Curvilinear: Easy Learning Plane Analytic Geometry An Intuitively-Easy-To-Use visual interactive software, oriented to overcome the abstraction that exists in the Plane Analytic Geometry (PAG), this is a tool that makes it easy to master PAG.
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MITCalc - Bolted connection 

Geometrical design and strength check of a prestressed bolt connection, loaded by static or cyclic loading resp., acting both in the axis of the bolt and in the plane of the connected parts. Calculation support many 2D CAD systems
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Skywriter Plane Screen Saver 

Have fun creating personalized smoke messages in the blue sky with the Skywriter Plane Screen Saver.
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Image In Focus 

Image In Focus This is software to create Montage composite images from various out of focus images. Various microscope or camera images, taken with a different focal plane can be combined into one perfectly in-focus picture.
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Calc 3D 

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)
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Calc 3D Pro 

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.
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