Online Reference Resources
Calculators and Formulas

• 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.
• Inflation Conversion Table-- Currently allows you to convert economic figures back to the 1950's.
• LeadFusion--provides a selective collection of calculation tools to figure all kinds of personal finance decisions
• Measure 4 Measure--links to interactive sites that measure, calculate, estimate, etc.
• Mortgage Calculator-- Feed in your own data, find your monthly payments.
• MyMoney -- learn how to balance a checkbook, buy a home, figure out 401ks and more...from the U.S. government.
• 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.
• 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.
• Universal Currency Converter-- How many pounds, zlotys, lira, to your dollar?
• 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.