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The GD and T Trainer Professional Edition is a virtual classroom in the fundamentals of geometric dimensioning and tolerancing. This computer-based training program contains 28 interactive lessons, quizzes, and a final exam. It provides instant lesson feedback, technical animations that demonstrate concepts, and audio narration. Also, includes over 100 author's comments that give tolerancing insights GD and T expert Alex Krulikowski.

Download The GD&T Trainer: Professional Edition

Orifice
Orifice calculates size, flowrate or pressure drops for gas and liquid orifice meters based on ANSI/API-2530-1991, Part 3 (AGA-3) or the International Standard ISO-5167-1:1991. Customary or SI units.

Data Master 2003
Free software for automation of professional test and measurement systems, data acquisition, processing and analysis. Especially suitable for scientists who would like to make high-performance, precise measurements in the experimental physics.

Shell and Tube Heat Exchanger Design (S&THex)
Easy to use software demonstrates the chemical design calculations of Shell & Tube Heat Exchangers.Unlike other tools, ensures that calculations are performed step by step to help in understanding the design calculations...etc.

CST ComProbe
This program hook other programs' operation to the serial ports, so It can debug serial port program without source code and even serial port lines.

Sheet Lightning
Sheet Lightning is a specialised engineering 2D/3D CAD System for creating and unfolding sheet metal designs for fabrication or manufacture. It handles cylinders, cones, square-to-round adapters, ovals, intersections and mutli-intersections.