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Category: Start / Calculators

Web locations featuring unique, useful and specialty calculators and unit conversion aids of interest to engineers, students, technicians and scientists. Most are online and, best of all, most are FREE!
Links also available in Calculators sub-categories:
  Biomedical (1)     Chemical (6)     Electronic and Electrical (3)   
  Fluids and Fluid Flow Calculators (21)     Heat, Thermal and Heat Transfer (8)   

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Abbe number calculator  Popular

The Abbe number, or V-number or constringence of a transparent material, is a measure of the material's dispersion (variation of refractive index with wavelength) in relation to the refractive index. A calculator created by Mikhail Polyanskiy using the optical refractive index data from his web database at RefractiveIndex.INFO that covers many glasses, crystals, plastics, liquids and more.
Added on: 10-Sep-2008 | hits: 573
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Advanced critical angle calculator  Popular

The critical angle is the angle of incidence above which the total internal reflection of an incident ray of light occurs when the light passes from one optical medium into another. Optical properties are used from the online Refractive index database at RefractiveIndex.INFO for a wide range of materials including glasses, crystals, liquids, liquid crystals and some gases, created by Mikhail Polyanskiy .
Added on: 09-Sep-2008 | hits: 596
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Aerospace Calculators  Popular

The Aerospaceweb.org calculators section includes a series of useful scripts for computing aerodynamic and atmospheric properties.

Atmospheric Calculator
Handy script for computing properties of the atmosphere, Reynolds numbers, airspeeds, basic aerodynamic values, and other useful quantities.

Compressible Flow Calculator
Another script for computing supersonic flow properties using isentropic, normal shock, and oblique shock relations.


Added on: 07-Mar-2005 | hits: 774 | Rating: 10 (1 Vote)

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AngioCalc 

AngioCalc is dedicated to providing quality resources for the management of cerebral aneurysms and features an online calculator that calculates cerebral aneurysm volume and percent packing volume after coil embolization.
Added on: 01-Jan-2010 | hits: 359
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Bolt Torque Calculator - Online  Popular

Calculates recomended torque of bolts depending on their type, size and material for both American, Sizes No. 0 thru 2 3/4 inch, and Metric bolts from 1.6 to 36-4 diameters and custom sizes for several materials such as steel, stainless steel and specific aluminum alloys. Also includes a feature to calculate torque for yield data of custom materials. on the Futek Advanced Sensor Technology, Inc.websites
Added on: 23-Feb-2007 | hits: 1261
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Brewster's angle calculator 

Calculates the S- & P- optical polarization reflection coefficients for any pair of materials, including Air , plots the two coefficients versus the angle of incidence of and produces the Brewster angle between them.
Added on: 07-Sep-2008 | hits: 477
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Brinell Hardness Number Calculator  Popular

The diameter of the impression is the average of two readings at right angles and the use of a Brinell hardness number table can simplify the determination of the Brinell hardness. A well structured Brinell hardness number reveals the test conditions, and looks like this, "75 HB 10/500/30" which means that a Brinell Hardness of 75 was obtained using a 10mm diameter hardened steel with a 500 kilogram load applied for a period of 30 seconds

Gordon England
Independent Metallurgist and Consultant to the Thermal Spray Coating Industry
Kingfishers, Folly Lane North
Upper Hale, Farnham
Surrey, GU9 0HU England

Tel: +44 (0) 1252 405186
Fax/Voice Mail: +44 (0) 1252 713343
Mobile: 07951 120293
Email: tsc@gordonengland.co.uk
Web:www.gordonengland.co.uk


Added on: 14-Jul-2007 | hits: 693
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Calculator City  Popular

Basic math & science calculators from 1728 Software. These include calculators for: CONVERTERS ULTRA CALCULATORS FINANCIAL CALCULATORS GEOMETRY CALCULATORS ALGEBRA CALCULATORS TRIGONOMETRY CALCULATORS CALCULUS CALCULATORS ASTRONOMY CALCULATORS CHEMISTRY CALCULATORS PHYSICS CALCULATORS GRAMMAR SCHOOL MATH
Added on: 03-Mar-2005 | hits: 832
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Calculator for Conversion of Vickers Hardness Number  Popular

There is now a trend towards reporting Vickers hardness in SI units (MPa or GPa) particularly in academic papers. Unfortunately, this can cause confusion. Vickers hardness (e.g. HV/30) value should normally be expressed as a number only (without the units kgf/mm2). Rigorous application of SI is a problem. Most Vickers hardness testing machines use forces of 1, 2, 5, 10, 30, 50 and 100 kgf and tables for calculating HV. SI would involve reporting force in newtons (compare 700 HV/30 to HV/294 N = 6.87 GPa) which is practically meaningless and messy to engineers and technicians.

Gordon England
Independent Metallurgist and Consultant to the Thermal Spray Coating Industry
Kingfishers, Folly Lane North
Upper Hale, Farnham
Surrey, GU9 0HU England

Tel: +44 (0) 1252 405186
Fax/Voice Mail: +44 (0) 1252 713343
Mobile: 07951 120293
Email: tsc@gordonengland.co.uk
Web:www.gordonengland.co.uk


Added on: 19-Jul-2007 | hits: 565
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Calculator.com  Popular

Calculator.com was founded in January of 1996 to create a new class of research and information products in the form of online calculators. It is the leading online calculator portal with calculators spanning over 120 categories and sub-categories. All of their calculators are specific to something that someone is interested in. Apart from two calculators, a general scientific and a general numeric calculator, all pinpoint the user’s interest by definition. Examples: o Tiling a floor o Brewing beer o Cooking o Mortgages o Investments Calculators are available in the following areas: Agricultural Automobile Brewing Clothing College Computing Converters Cooking Design Distance Engineering&Finance Fun Health Manufacturing Numeric Personal Photography Pricing Scientific Sports Time
Added on: 03-Mar-2005 | hits: 1381
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