FREE Publications
Negotiate Your Salary

Learn the best principles to negotiate the salary you deserve!

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"?

Injection Molding Design Guide

Guide for high quality and cost-effective plastic injection molding.

Mechanical Engineers Outlook

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

Selecting the Righ...
3D Printing in Too...
Color 3D Printers ...
CNC Machining Desi...
Metal 3D Printing ...
STEM Career Outlook
3D Scanners
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