Tool which allows the user to present survey or questionnaire items to respondents on a computer and measure both their item responses and the reaction time to each item...

The "xyExtract" software is used to extract data from a 2D graph (orthogonal and nonorthogonal axes) contained in a graphic file (scanned, PDF document or in a some file like gif, jpg, etc). The graphic file must be saved in a bitmap file.

A program to allow the very fast modeling of fluid flow, and the visualization of the streamlines and pressure distribution. Rectangular and circular sections can be entered as well as aerofoils. A flowrate and pressure gauge is provided.