Two years ago, Slate ran a marathon prediction calculator. In the years since, the researchers have updated their work (and the writer became a FiveThirtyEight staff writer). We’ve collaborated with ...

The humble pocket calculator may not be able to keep up with the mathematical capabilities of new technology, but it will ...

Anyone who is baffled by mathematics beyond the multiplication tables can imagine with awe the Brobdingnagian mental efforts involved in inventing a clerkproof, 5,500-part machine that adds, subtracts ...

As a spreadsheet software program, Microsoft Excel has many useful features for a small business's productivity. Chief among these is the ability to use formulas to make various calculations with the ...

"There have been very few improvements to calculators over the last 25 years. I thought there could be a way to upgrade the ...

Use this calculator to see how your money's value changed over time — and how much it could change in the future. Many, or all, of the products featured on this page are from our advertising partners ...

To avoid problems with your employees or the government, your company payroll spreadsheet should not only be accurate, but it should also comply with all federal and state laws. For example, your ...

Affiliate links for the products on this page are from partners that compensate us and terms apply to offers listed (see our advertiser disclosure with our list of partners for more details). However, ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Whether you’re a college student enrolled in a calculus course or a professional accountant with your own ...

The 25 new design calculators offer users an abundant choice of colors to suit a wide range of personal preferences and ...

For a brief time in the 1970s, the calculator represented the height of office design chic. Desktop calculators came in pops of primary colors or encased in wood paneling. They were expensive. Elite.

Miami University provides Student Aid Calculators to assist in early financial planning for college. These calculators offer a preliminary estimate of federal and institutional financial aid ...