There are few real math whizzes in the world. As the old saying goes, how often are you going to trot out even high school algebra in most of what you do? But people use regular arithmetic all the ...

Math is awesome. Wait!! Don’t click out of here to go read an article about Beyoncé and her twins! Stay with me so I can tell you why math is awesome. Because if you have a basic understanding of math ...

Elvis Picardo is a regular contributor to Investopedia and has 25+ years of experience as a portfolio manager with diverse capital markets experience. Suzanne is a content marketer, writer, and ...

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Simple interest is used when a company borrows money for a loan. Usually this amount will be on a monthly basis. The formula for simple interest is principal times the interest rate times the period.

Experts at Carleton acknowledged calculating add-on interest isn’t as prevalent as it once was with finance companies and other lenders using simple-interest calculations more often nowadays. However, ...

What's more terrifying than global warming, national economic collapse, or a zombie apocalypse? For many of us, it's math -- especially the type involved in securing a mortgage to buy a home. But ...

Learn what compound interest is, how it’s calculated—from annual rates to continuous compounding—and why it’s powerful for savings (and dangerous for debt).