Most of us have little trouble working out how many millilitres are in 2.4 litres of water (it’s 2,400). But the same can’t ...

A new collection of research papers examines how humans conceptualize numbers and the numeral systems we’ve build around them ...

You have that slide rule in the back of the closet. Maybe it was from your college days. Maybe it was your Dad’s. Honestly.

Powerball winning numbers are in for the Saturday, Nov. 1 drawing with a jackpot that reached an estimated $404 million ($191.1 million cash option). The winning numbers in Saturday's drawing are 2, ...

Could today be your lucky day when you become the next Powerball millionaire? The Powerball jackpot is an estimated $376 million with a cash option of $179.3 million for Wednesday night's drawing, ...

The Powerball winning numbers are in for the Monday, Oct. 27 drawing with a jackpot of $359 million ($171.1 million cash value). The largest winning Powerball jackpot ticket sold in Michigan was worth ...

The Powerball winning numbers are in for the Saturday, Nov. 1 drawing with a jackpot that reached an estimated $400 million ($189 million cash value). The largest winning Powerball jackpot ticket sold ...

The Powerball winning numbers are in for the Saturday, Nov. 1 drawing with a jackpot that reached an estimated $400 million ($189 million cash value). The largest winning Powerball jackpot ticket sold ...

The most common formula for calculating future value is: PV = Present Value (the initial amount of money) r = Interest rate ...