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International news and technology for marine/offshore operations around the world.

NASA Tech Briefs

Innovations developed by NASA and its industry partners in a wide array of fields.

Autonomous Vehicle Engineering

The No. 1 media source for those developing the next generation mobility solutions.

Injection Molding Design Guide

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

Salary Expectation

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

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Materials
 
Unit Conversion
Design Center
 
Formulas
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Mathematics
Engineering Calculators
Design Aids
SpringWire / Sheet Gages
FractionHardness Conversion
O-Ring: Sizing / Material

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

Mathematics
Base-NGamma Function
Gauss Quads: Legendre / Laguerre
LoanLeaseAPR
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
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