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Science News
May 10, 2003
Ivars Peterson |
Coins for Making Change Efficiently Is ours the optimal choice of coin values for minimizing the number of coins required to handle typical transactions? Computer scientist Jeffrey Shallit of the University of Waterloo has worked out an answer. What the U.S. needs, he says, is an 18-cent piece.   |
Science News
February 19, 2005
Ivars Peterson |
The Coin in the Cake An International Mathematical Olympiad worked out the probability of cutting through a coin placed in a cake... Puzzle of the Week... |
InsideFlyer
September 2011 |
Miles for Coins No More Frequent flyers have been cashing in on dollar coins for three years but the game is now over for mileage-earning coin buyers. |
Science News
March 4, 2000 |
MathTrek: Losing to Win ...striking new result in game theory is now called Parrondo's paradox... |
BusinessWeek
March 24, 2011
Robert Schmidt |
The Bid to Eliminate Dollar Bills Car wash owners and budget hawks have united behind dollar coins. The GAO says eliminating bills could save $184 million annually. |
On Wall Street
April 1, 2011
Matthew F. Erskine |
Gold Bullion Versus Coins There are risks when a significant part of an estate is in the physical form of gold coins, whether bullion or numismatics. |
Science News
February 28, 2004
Ivars Peterson |
Heads or Tails? A new mathematical analysis now suggests that, in a typical toss, a coin is more likely to land on the same face as it started out on. |
PC Magazine
September 21, 2004
Don Labriola |
Coin Collector's Assistant Plus We're hard pressed to find fault with the powerful and easy-to-use Collector's Assistant product line. |
Wired
February 25, 2008
Asami Novak |
Three Smart Things You Should Know About Currency The circulation rate of the dollar bill... What particles can be found on your money... Trading bucks instead of stocks... |
The Motley Fool
October 31, 2005
W.D. Crotty |
Coinstar Cashing in at Wal-Mart? While earnings for the third quarter were strong, the stock gain of 29.5% was also fueled by news that Wal-Mart was going to test the company's coin counters in 100 stores next year. |
T.H.E. Journal
April 2004 |
The Flying Carpet The Flying Carpet transports elementary students on a mathematical journey through Egypt as they accumulate gold coins for completing a variety of math activities while searching for a lost pet. |
The Motley Fool
December 19, 2006
Brian Lawler |
Melt a Penny, Go to Jail With the price of commodities such as the zinc and nickel used to produce pennies and nickels rising so much so that the coins are worth more in scrap metal than their face value, the US Mint has passed new regulations making it illegal to melt the coins. |
Fast Company
February 2011 |
All About the Benjamins: The $100 Bill By the Numbers In an attempt to thwart government counterfeiters, the U.S. government has designed a $100 bill even it can't print correctly. Its February release had to be postponed after printing problems cause some bills to come out creased and partially blank. Here's a look at current U.S. monies, by the numbers. |
D-Lib
December 1999
Jay King |
Roman History, Coins, and Technology Back Pages The Roman History, Coins, and Technology Back Pages site was created with a primary mission of providing resource and enrichment material for K - 12 students and their teachers who are studying Roman history... |
PC Magazine
December 21, 2005
Neil J. Rubenking |
Multifield Sorting in Access Sort an Access datasheet by two nested criteria. |
Reason
April 2008
Brian Doherty |
Mint Condition In November the FBI raided the Indiana offices of the company that sells the privately minted metal coins known as Liberty Dollars. |
The Motley Fool
March 2, 2005
Selena Maranjian |
Stealing Nickels Plan for your retirement, but please don't think tons of stolen nickels will help. |
The Motley Fool
September 9, 2011
Christopher Barker |
Ready to Make Some Serious Silver Coin? In the latest video production posted to the company's website, Endeavour Silver unveils the fascinating process by which silver is formed into the beautiful silver coins that are coveted by coin collectors and precious-metal investors alike. |
Fast Company
December 1999
Anna Muoio |
Mint Condition Take a lesson in change from people who make change for a living. Philip Diehl and his colleagues at the U.S. Mint have transformed a clumsy bureaucracy into a fast-moving enterprise with great customer service and a cutting-edge presence on the Web. |
Information Today
August 2005
Richard W. Wiggins |
New "COinS" Scheme Seeks to Open URLs for Library Users Some Web visionaries have concocted a scheme to embed complete citation information in Web pages. |
Science News
June 24, 2000 |
Spinning to a Rolling Stop Mathematician H. Keith Moffatt has come up with an explanation of why the wobbling motion of a spinning coin ends so abruptly instead of lingering as the coin keeps on rolling faster. |
The Motley Fool
May 24, 2004
Alyce Lomax |
Coinstar's Spare Change Is it just playing around with its acquisition of American Coin Merchandising? |
Science News
November 10, 2001
Ivars Peterson |
Online Bidding Tips The auction Web site known as eBay has become a vast marketplace, bringing together buyers and sellers of all sorts of goods. It has also become a handy laboratory for testing ideas in economics about markets and prices... |
AskMen.com
January 21, 2004
Peter Atkinson |
How To: Be Popular In Bars - Part II It seems there's a significant interest in ways guys can enrich their in-bar experience these days. And with these bar bets, you too can begin amazing, amusing and impressing just about anyone in any bar. |
The Motley Fool
February 2, 2007
Seth Jayson |
Quick Take: Sell Wal-Mart! Way to waffle, HSBC. Calling a stock both a "buy" and not a buy (What else can long-term "neutral" mean?), presupposes a degree of short-term clairvoyance which I doubt HSBC has. Unless you count the whole 50% of the time thing. |
On Wall Street
January 1, 2009
Pat Olsen |
Identifying Opportunities Benjamin Brigeman, the executive vice president of Schwab Investor Services, he shares his story. |
The Motley Fool
February 23, 2006
Dayana Yochim |
Are You a Penny Picker-Upper? They're practically worthless, Americans still love the penny. Here are some ideas for what to do with saved pennies. |
Inc.
May 15, 2000
Philip Diehl |
Electric Currency Philip Diehl was director of the U.S. Mint in Washington, D.C., until March, when he became president of E-commerce jewelry company Zale.com. We asked him whether technology has put us on the verge of seeing coins and bills replaced by digital files.... |
