Real numbers are, in fact, pretty much any number that you can think of. This can include whole numbers or integers, fractions, rational numbers and irrational numbers. Real numbers can be positive or ...

Have you ever sat in a math classroom and wondered, “When will I ever use this?” You might have asked yourself this question when you first encountered “imaginary” numbers, and with good reason: What ...

Jessica Gibson is a content update editor and writer for Investopedia. She has over 10 years of experience in digital publishing and three years of experience covering financial topics like insurance, ...