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Science News
May 7, 2005
Ivars Peterson |
Coins in a Row Even seemingly simple mathematical games can have unexpected complications. No one has yet worked out an optimal strategy that works for any number of coins.   |
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. |
Inc.
October 2004
Ian Mount |
How To Keep an Assistant A good assistant can change an entrepreneur's life, but keeping one from fleeing in frustration requires skills that entrepreneurs sometimes lack. Make the relationship with an assistant work by following these guidelines. |
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. |
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. |
PC Magazine
December 21, 2005
Neil J. Rubenking |
Multifield Sorting in Access Sort an Access datasheet by two nested criteria. |
The Motley Fool
August 11, 2005
Selena Maranjian |
When Debt Collectors Come Knocking Be an informed consumer -- ideally before bad things such as debt collection agents show up at your door. You have more rights than you may think. Don't be bamboozled. |
| Wired |
How to Make a Business Card Vanish, Solve a Puzzle, Palm a Coin Make your business card disappear... Push a coin through a table... |
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... |
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... |
