FREE Publications
STEM Career Outlook

Wages, employment opportunities, and growth projections for STEM jobs.

CNC Machining Design Guide

Optimize your designs, reduce machining time, and lower your costs.

3D Scanners

A white paper to assist in the evaluation of 3D scanning hardware solutions.

Rapid Color 3D Printing

Explores the 3D design trend via Timberland, Black & Decker, and Continental Tire case studies.

Salary Expectation

8 things to know about the interview question "What's your salary expectation"?

Color 3D Printers ...
Metal 3D Printing ...
Selecting the Righ...
Negotiate Your Sal...
Injection Molding ...
Mechanical Enginee...
3D Printing in Too...
Unit Conversion
Design Center
Engineering Calculators
Design Aids
SpringWire / Sheet Gages
FractionHardness Conversion
O-Ring: Sizing / Material

Solid Mechanics
Stress/Strain Transform, Failure
Principal Stress / StrainElastic Const
Composite MaterialStiffnessABD
Fluid and Thermal
Reynolds NumberVenturi Flowmeter
Pipe FrictionRadiation
Laminar Flow over Plate

Base-NGamma Function
Gauss Quads: Legendre / Laguerre
Symbolic Calculators
Wolfram webMathematica
Integral dx 
Calculus: Integral, Derivative, Limit
Matrix: Inverse, Eigenvalue, Linear System
Plot: 2D, 3D, Parametric
Numerical: Root, Curve Fit
Transform: Laplace, Fourier...more
wolfram alpha notebook edition