ZGrapher   
This graphing calculator can plot y(x), x(y), polar, parametric and table-defined functions. Calculus features include obtaining derivatives, equations of tangents and normals, numerical integration, regression analysis.

Stars and Galaxies in 3D   
Real stars and galaxies in 3D color. Easy to use. 9,000 stars and 2,400 galaxies. Select stars by magnitude, distance, or spectral type. Displays known planetary star systems. Find stars and galaxies by name and fly to them with a keypress.

EasyCert 70-270 Exam Simulator   
Pass your MCSE 70-270 exam with EasyCert 70-270 exam simulator, the most effective training software for the Microsoft certification exams.

EasyCert 70-270 Exam Simulator   
Pass your MCSE 70-270 exam with EasyCert 70-270 exam simulator, the most effective training software for the Microsoft certification exams.

PianoHead   
PianoHead is a fun and effective learning tool for every music student. Watch your scores increase as you master the fundamentals of music theory. PianoHead builds automaticity for note recognition, scales, intervals and key signatures.

PianoHead   
PianoHead is a fun and effective learning tool for every music student. Watch your scores increase as you master the fundamentals of music theory. PianoHead builds automaticity for note recognition, scales, intervals and key signatures.

Pathos Course Builder   
Course building software that allows you to create your own courses for the classroom or lab. Add audio, images, text, rich text. Use .mp3, .txt, and .rtf files to develop modules--lessons within units--for your lab or classroom computer stations.

Pathos Course Builder   
Course building software that allows you to create your own courses for the classroom or lab. Add audio, images, text, rich text. Use .mp3, .txt, and .rtf files to develop modules--lessons within units--for your lab or classroom computer stations.

20sim Viewer   
An advanced modeling and simulation program for dynamic systems from the same lab as Tutsim. Easy-to-use and powerfull package for mechatronics, robotics, control engineering, mechanics, hydraulics, etc. From the same lab as Tutsim.

20sim Viewer   
An advanced modeling and simulation program for dynamic systems from the same lab as Tutsim. Easy-to-use and powerfull package for mechatronics, robotics, control engineering, mechanics, hydraulics, etc. From the same lab as Tutsim.