Einstein's General Theory of Relativity demonstrates that a large mass can deform spacetime and bend the path of light. So, a very massive object, such as a cluster of galaxies can act as a gravitational lens. With this program, one can draw images to see the effect of gravitational lensing. You can easily test the effects of several parameters by changing them and redrawing the image.

This 3D Clock Features are: Specially designed 3D atmosphere, Unique sound environment, 3D animations, Adjustable 3D settings, Cameras Selection, Lights Selection ,Sounds and Music Selection, High quality textures (Psycho).

Random Password Generator allows to generate any quantity of passwords with one mouse click. Using Random Password Generator you do not have to think out new passwords. Random Password Generator will do it instead of you

Test Maker is a professional software product for organizing tests and analyzing the results. You can use Test Maker in any sphere where quick and effective testing is required. Test Maker can be used for academic and pre employment testing, personnel testing and certification or as part of computer-aided teaching solutions. Test Maker will help you to create any type of questions: single choice, multiple choice, essay and ordered answer set.

Guitar tuning (several variants of the guitar tuning, several tone reproduction modes of tuned string) Guitar chords guidance (database of standard guitar chords, all possible variants of one chord chord playing) Work with song texts (text editing, chord recognition in texts, chord transposing) Left-handed guitars.

Music Editing Master is an idea and efficient audio editing and audio production tool for home users. It provides the powerful and user-friendly editing environment for everything. If you want to visual nondestructive edit, visual record music, apply cool effects and filters, adjust stereo channels or make duetto, save audio to all the popular formats and burn songs to CD or DVD, this best choice for beginners software is all you need.

Standard edition is a high performance product that goes beyond simple PDF creation by giving you the power to customize the PDF output. It includes options to combine media files, print PDFs on letterheads, add watermarks, encrypt and protect PDF files. Use of the optional PDF saving dialogue for detailed document design, combine documents, drawings and rich media content into a single PDF document.