eFunda: The Ultimate Online Reference for Engineers

| | | | |

FREE Magazines

NASA Tech Briefs Innovations developed by NASA and its industry partners in a wide array of fields.
Chemical Engineering The industry gateway for chemical engineering and plant operations.
Processing Magazine Power Transmission Hydraulics & Pneum... Business Aviation	R & D Laser Focus World Industrial Laser more...
USA \| Canada \| Mexico \| International \| FAQ

Discussons

New Topic

(0)	Hall Effect Analysis
(0)	Why can't you use high temperatures for austenitic stainless steels?
(0)	Headstock Tailstock Positioner
(1)	Steel frame for marble table
(1)	PECVD Chamber
(0)	New case hardening/tempering techniques
(0)	online training and certifications
(10)	Why loosening torque is lesser than the tightening torque for bolts/screws
(1)	can a 2A bolt be used with a 3b nut
(5)	GD&T

Materials Periodic Table, Steels Aluminum, Polymers Piezo, Corrosion ...more		Unit Conversion Length, Mass, Pressure Time, Base-N, Fractions Hardness, Gage ...more
Design Center Plastic Design, Gages Springs, O-Rings, Sensors Screws, I-Beams ...more		Formulas Beam, Plate, Composite Vibration, Heat Transfer Fluid Mechanics ...more
Processes Casting, Stamping, Molding Annealing, Machining Rapid Prototyping ...more		Mathematics Areas, Trigonometry Taylor Series, Least Squares Laplace Transform ...more

Engineering Calculators

Design Aids
Spring, Wire/Sheet Gages
Fraction, Hardness Conversion
O-Ring: Sizing/Material

Solid Mechanics
Beam, Plate, Vibration
Stress/Strain Transform, Failure
Principal Stress/Strain, Elastic Const
Composite Material, Stiffness, ABD

Fluid and Thermal
Reynolds Number, Venturi Flowmeter
Pipe Friction, Radiation
Laminar Flow over Plate

Mathematics
Base-N, Gamma Function
Gauss Quads:Legendre/Laguerre
Loan, Lease, APR
Symbolic Calculators

Calculus: Integral, Derivative, Limit
Matrix: Inverse, Eigenvalue, Linear System
Plot: 2D, 3D, Parametric
Numerical: Root, Curve Fit