FREE Publications
3D Printing in Tooling

How additive manufacturing can benefit tooling fabrication through cost and lead time reduction.

Salary Expectation

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

3D Scanners

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

Color 3D Printers for You

Learn about 3D printing with color and choosing the right printer for your application.

Mechanical Engineers Outlook

Guide for those interested in becoming a mechanical engineer. Includes qualifications, pay, and job duties.

STEM Career Outlook
Rapid Color 3D Pri...
Selecting the Righ...
CNC Machining Desi...
Injection Molding ...
Metal 3D Printing ...
Negotiate Your Sal...
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