The chances of intelligent life emerging in our Universe -- and in any hypothetical ones beyond it -- can be estimated by a new theoretical model which has echoes of the famous Drake Equation. This ...

Tax credits A benefit that lowers your taxes owed by the amount of the credit. This calculator assumes credits entered are nonrefundable.

Javi Sanz / Getty Images Sales tax is a percentage of a retail price. To calculate it, convert the state sales tax percentage to a decimal, then multiply it by the retail price of the product or ...

As you shop around for an email marketing platform, you may come across Mailchimp and Constant Contact, two popular solutions. To help you decide which option is right for your unique business and ...

On track for your golden years? Our retirement calculator can help you make a plan to reach your savings goals. Many, or all, of the products featured on this page are from our advertising ...

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds ...

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In this article, we will demonstrate how to use the graphing feature in the Windows calculator to try and make mathematics more fun. Microsoft has always thrived to kick up a notch the Windows ...

Cheap RC cars usually listen for radio signals at 27 and 49 MHz. It doesn’t take much to realize commanding RC cars with a Pi is possible. The only problem with this idea is that most RC cars ...