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Calculators
 Websites presented in alphabetical order The Antikythera Mechanism Research Project 
 This research project is devoted to discovering the functioning of the Antikythera Mechanism, an ancient Greek astronomical calculator. It "is a geared device consisting of 30 gears in a highly complex arrangement." The site provides a FAQ about the device and astronomy, and updates about research activities, such as the 2008 discovery of a back dial "dedicated to the four-year Olympiad Cycle." http://www.antikythera-mechanism.gr Topics: Astronomy, Ready Reference & Quick Facts Last updated Aug 4, 2008 Dollar Times
This collection of financial calculators covers mortgage payments, car loans, inflation, commuting costs, and more. Find out how much you will save by packing a bag lunch instead of eating out, or by making coffee at home rather than purchasing one at the coffee shop. Also includes money-saving tips and mortgage information for many cities in the United States, based on U.S. Census figures. From H. Brothers, a website building and promotion company. http://dollartimes.com Topics: Ready Reference & Quick Facts Last updated Jul 21, 2008 Google Guide: Calculator
A tip sheet for Google's built-in calculation function. Learn how to use Google to "add up a list of numbers, convert from miles to kilometers, or evaluate some other mathematical expression." From Google Guide. "Google Guide is neither affiliated with nor endorsed by Google." Also includes links to Google's own online help for the calculator. http://www.googleguide.com/calculator.html Topics: Mathematics, Ready Reference & Quick Facts, Ready Reference & Quick Facts Last updated Jul 21, 2005 Martindale's Calculators On-Line Center
This site contains nearly 20,000 links to online calculators. The collection is organized into several sections: mathematics and statistics; science A-Z; chemistry; physics, astrophysics, and astronomy; engineering A-Z; and electrical and computer engineering. The general calculators category is broken into two parts, A-G and F-H, and includes calculators for almost every imaginable topic--car pricing, traffic noise, cooking measurements, mortgage loans, office space, wind chill, and many, many more. http://www.martindalecenter.com/Calculators.html Topics: Consumer Research & Advocacy, Mathematics, Ready Reference & Quick Facts Last updated Feb 9, 2004 Measure 4 Measure
An annotated collection of interactive Web sites that "do the work for you": they estimate, calculate, evaluate, and translate everything from an adult's Body Surface Area (BSA) to inflation to Morse Code. Sections include Science and Math, Health, Finance, All 'Round the House, and A Measure of Everything Else. Maintained by Judi Wolinsky, a librarian at Homewood Public Library (Ill.). http://www.wolinskyweb.net/measure.htm Topics: Mathematics, Ready Reference & Quick Facts, Ready Reference & Quick Facts Last updated Jan 11, 2004 Online Calculators, Conversion Tools, Measurements & Weights
Resources to calculate a variety of weights and measures. Includes a cost of living calculator, a Roman numeral equivalencies calculator, a time zone converter, mortgage and credit card rates calculations, a currency converter, and a dictionary of most units of measurement found around the world. From the libraries of Western Washington University. http://lib199.lib.wwu.edu/ref/refmeasure.htm Topics: Mathematics, Ready Reference & Quick Facts, Ready Reference & Quick Facts Last updated Apr 2, 2004 QuickMath
"QuickMath is an automated service for answering common math problems over the internet. ... When you submit a question to QuickMath, it is processed by Mathematica, the largest and most powerful computer algebra package available today. The answer is then sent back to you." Problems may include factoring, graphing, quadratics, inequalities, basic calculus, matrices, and more. http://quickmath.com/ Topics: Mathematics, Ready Reference & Quick Facts Last updated May 12, 2005 Reverse Mortgage Calculator
"This calculator provides approximate estimates for two nationally available reverse mortgage programs." The two loan programs used for the estimates are the federally-insured Home Equity Conversion Mortgage (HECM), and the Home Keeper Mortgage from Fannie Mae. Calculations are based on the age of the homeowner, and the value and location of the home. Includes links to additional material about reverse mortgages. From AARP. http://www.rmaarp.com Topics: Finance, Housing, Investing, Money, Ready Reference & Quick Facts, Seniors Last updated Dec 14, 2005 Simple Interactive Statistical Analysis (SISA)
"SISA allows you to do statistical analysis directly on the Internet. Click on one of the procedure names ... fill in the form, click the button, and the analysis will take place on the spot." Includes tools for statistics, distributions, and calculations. Each procedure includes a detailed help section. From a statistical research organization in the Netherlands. http://www.quantitativeskills.com/sisa/ Topics: Mathematics, Ready Reference & Quick Facts, Statistics Last updated May 15, 2009 TCAEP.co.uk: Science, Maths, Astronomy
This site features lists of numerical constants and equations used in science and mathematics. Also included are conversion calculators, a dictionary of scientific symbols, and astronomy facts and figures. Searchable and browsable. From the Institute of Physics, London. http://www.scenta.co.uk/tcaep/ Topics: Astronomy, Mathematics, Ready Reference & Quick Facts, Ready Reference & Quick Facts Last updated Apr 27, 2005 |
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