Anyone who is looking through the sea of investment opportunities is bound to come across the mention of a certificate of deposit — or CD — at one point or another. But, what exactly is a CD? How does it work, and how much return on investment can you expect from one, especially depending on… Read More
Mathematics Articles

What Is the Return on a CD?

What Percentage Problems to Know at Each Grade Level?
Understanding percentages is a fundamental aspect of mathematical education that is used in a wide variety of real-world applications. This is why it’s so important to have a good grasp of percentages from an early age, as each level of education builds on the previous to form a solid foundation to build upon. From kindergarten… Read More

Percent Vs. Percentage Vs. Percentile
Percent, percentage, and percentile—trying to say that three times fast! Rooted in math and statistics, these words all sound quite alike, but they refer to different things. Even if you were someone who always dragged their feet with their math homework growing up, these are some terms that you want to be familiar with and… Read More

When to Use Mean, Median, or Mode
The mean*, mode and median are the most well-known and widely used arithmetic averages. But what exactly are each used for? While all of them are measures of central tendency in a distribution of values - obtained from different kinds of measurements or observations - the question of when to use mean, median or mode… Read More

What are the Advantages of the Metric System vs the Imperial System?
We measure things in a variety of ways. Early civilizations developed systems of weights and measurements based on what was available to them. Over time, standardization of measurements has become important as the global economy has evolved. The most classic example is the metric system. There are only three countries in the world that don’t… Read More

How Random Numbers Are the Driving Force Behind Video Games, Jury Selection, and More
Before computers and algorithms were developed to generate random numbers, there were dice. Middle Eastern tombs uncovered cubical dice dating back to the 20th century BC—but it's believed they're even older. Other methods of producing a random result included heating turtle shells until they cracked and tossing and dividing yarrow stalks, which provides a similar… Read More

The Fascinating History of the Modern Calculator
Though we may not think about it, math and calculations permeate our everyday lives. We calculate tips at restaurants, determine how much money a grocery store coupon will save us, and compute how much our online purchases will cost including tax and shipping. Some do these calculations in their head or by hand, but many… Read More

What is the Difference Between Uppercase and Lowercase Roman Numerals?
Roman numerals have been used for thousands of years, and while they are not used as the primary way to represent numerals today, they are still ever-present in our daily lives. From the Super Bowl and Olympics, to fancy clocks and page numbers, knowing what Roman numerals represent—and, how to use them—is a good skill… Read More

How to Use a Discount Calculator to Get More Customers
If you’re a business owner, then chances are you’re constantly thinking about ways to attract new customers and make more sales. Even if your business is thriving at the moment, you may be trying to move stock or make up for an earlier period in the year that was slow. Discounting your goods or services… Read More

Figure Out Your Home’s Worth With a CAGR Calculator
If you have ever purchased your own home, then you know that it was a major investment. And, when the day comes and you’re ready to sell it, you'll want to be sure that you'll be getting back that initial investment and then some. The question now is, “What is the value of my home?”… Read More