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Online Reference
Resources
Calculators
and Formulas
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Calculators
Online--part of
the Martindale Reference Desk, this links to pages that allow you to
calculate wind chill, auto loan payments, inflation, tides, winning
percentages, retirement income, and more.
- Data
Powers of Ten-- So, how many bits in a byte? How many bytes on
a printed page? in a book? How many megabytes in the complete works of
Shakespeare? Allows you to conceptualize better what bytes and
megabytes and gigabytes and beyond actually mean.
- Dave's
Math Tables--providing tables of math theorems, formulas,
proofs, identities and graphs on arithmetic, algebra, geometry,
trigonometry, statistics, calculus.
- Education
Cost Calculator--
Fill in this form and find out how much you need to save each year for
each child's college education. Scroll down to see the calculator.
- Energy
Cost Calculators -- These screening tools calculate lifetime
energy cost savings for specific products at various efficiency levels
and hours of operation. Allows the user to vary interest rates,
installation costs, maintenance costs, salvage values, and life
expectancy for a project.
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Inflation
Conversion Table-- Currently allows you to convert economic
figures back to the 1950's.
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LeadFusion--provides
a selective collection of calculation tools to figure all kinds of personal
finance decisions
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Measure
4 Measure--links to interactive sites that measure, calculate,
estimate, etc.
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Mortgage
Calculator-- Feed in your own data, find your monthly
payments.
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MyMoney -- learn how to balance a checkbook, buy a home, figure
out 401ks and more...from the U.S. government.
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Salary Calculator--input your current location and new
location and find out how much more or less you will need to maintain
the same lifestyle.
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Statistics
Every Writer Should Know-- do you really understand what is
meant by mean? median? standard deviation? Margin of error? If not, be
sure to check out this site.
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Universal
Currency Converter-- How many pounds, zlotys, lira, to your
dollar?
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WolframAlpha --
Enter your question or calculation
and Wolfram|Alpha uses its built-in algorithms and a growing collection
of data to compute the answer
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World
Time Server -- click on the country name on the left side, and
the current time, date, and a map of the country will appear on the
right.
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