Twenty-First's Web site ( www.twenty-first.com) has a calculator to help with your decision.
The FDIC has an online calculator that can help you determine how much coverage you have.
Motorists are often frustrated by their inability to match official fuel consumption figures, so the magazine has used the data to create an online calculator that will help them work out their true miles per gallon.
The IRS has a withholding calculator that can help you determine the correct amount, (click here.) If you make an adjustment, be sure to capture the increase in your paycheck and put those dollars to the best use, whether it is setting up an automatic transfer from a checking to a savings account or increasing your retirement plan at work.
This calculator from Forbes can help you estimate what your monthly payments would be.
All of these questions can be explored in the interactive calculator CNN created to help shed light on the difference in legal protections among the 50 states.
The Internal Revenue Service has a calculator (go to www.irs.gov and search for "withholding calculator") that can help you figure out if you need to adjust your withholding.
CitiMortgage has a calculator on its Web site to help potential homebuyers determine what kind of mortgage they can afford.
So far, Whelan has received positive feedback from gym members who have used the equipment, and with the help of an interactive carbon calculator people can measure how much energy they are generating from their workout.
The What Car? calculator attempts to factor in different driving styles to help drivers work out how much money they are spending on fuel.
The website lists rebates and other subsidies that help to defray installation costs and provides a calculator for figuring out the cost of electricity, the payback period and the return on the investment from installing small wind turbines, which refer to those that are under 100-kilowatt in size and engineered for residential and business properties, including farms and government agencies.
FORBES: A Web Tool For All You Need To Know About Small Wind Energy
The federal U.S. Federal Sentencing Guidelines calculator was developed by an innovative lawyer who was looking to develop a tool to help lawyers do the calculation for their clients.
We are not going to start, with a calculator and an adding machine, tracking down what people received from other sources, other funds, other help from relatives, savings.
NPR: Managing The $30 Million 'One Fund' To Aid Boston Victims
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