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eFunda: The Ultimate Online Reference for Engineers


eFunda, the ultimate online reference for the mechanical engineering community

  114,414   $ 60,000.00 - World of Math Online


Free math lessons and math homework help from basic math to algebra, geometry and beyond. Students, teachers, parents, and everyone can find solutions to their math problems...

  22,330   $ 372,240.00

Conversion & Calculation Center: Measurements, Currencies, World Time,...


Conversion and Calculation Center home page that contains links to our measurement conversion, currency exchange rate, world time zone, reference information, and other pages.

  171,198   $ 40,200.00

Metric Conversion Charts and Converters


Online conversion calculator to convert between various units of measurement. Includes conversion charts, tables and converters.

  29,199   $ 284,400.00

Online Calculators for Math and Statistics


Online advanced virtual calculators for math and statistics. Also features two Abacuses: Soroban and Suan Pan and units of measure conversion tools.

  118,873   $ 57,600.00

Metric Conversion Tables to or from Imperial Measurements The SI System for...


Over 1000 Standard to Metric Conversion Factor Tables with Definitions, Derived Units and Prefixes

  334,297   $ 15,120.00

Noël's Home Page


The author is a freelance software engineer and contractor who develops programs for the Windows operating system. His most popular programs include network, video and system...

  958,751   $ 720.00

Katmar Software - Engineering and Risk Analysis Software


Engineering software for unit conversion, piping pressure drop and flow calculations, ethanol water blending, project risk analysis, and water and steam properties.

  1,514,015   $ 480.00

Online conversion of imperial and metric units of measurement


Metric and imperial online conversion of units, notably centimeters, kilometers, inches, feet, acres, miles, metres, tons, ounces, pounds, litres, gallons and pints

  275,364   $ 18,360.00

Unit Converter,Unit Conversion


Unit Converter,Unit Conversion

  380,957   $ 13,500.00

Kyle's Converter


Instantly Convert Between Many Different Units Using Our Online Calculators. Unit Conversion. Unit Conversion Tables.

  202,687   $ 25,380.00

Metric conversion | English conversion | Web tools | Maps | Area Code |...


Web Conversion Online features a largest collection of conversion calculators, converters for Metric and English units. Here you can find length, area, volume, weight,...

  633,729   $ 1,200.00

Practice mental arithmetic — the arithmetic game


Kopfrechnen trainieren kostenlos und werbefrei. Practice mental arithmetic online. No ads and no charge.

  713,519   $ 960.00