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Science News
June 18, 2005
Ivars Peterson |
Sudoku Math While there is no math is solving this puzzle, there is mathematics and computer science in analyzing the puzzle and creating efficient computer programs for generating and solving them.  |
Science News
June 11, 2005
Ivars Peterson |
Winning at Tennis Intriguingly, mathematical models tend to show that the chances of winning a game, set, or match in tennis come down to the probability that a player wins a rally when he or she serves.  |
Science News
May 28, 2005
Ivars Peterson |
Mean Median Surprise Mathematicians found, using three numbers, each M&m (mean and median) sequence they found would stabilize, eventually reaching a constant value. |
Science News
May 21, 2005
Ivars Peterson |
Divisibility by Seven Over the years, people have come up with dozens of algorithms for divisibility by 7. Here is the latest entry that is fast and efficient for determining if large numbers are divisible by 7. |
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
April 30, 2005
Ivars Peterson |
Works in Progress Part of a mathematical education should include some sense of what is known and what is not yet known (and may never be known) and what progress is being made in creating new mathematics. |
Science News
April 23, 2005
Ivars Peterson |
Classroom Birthdays Probability dictates that if you're in a class of more than 30 students, it's a good bet that a birthday match would be found on or before the tenth student's announcement. |
BusinessWeek
April 18, 2005
Steve Hamm |
Big Blue Meets Star Trek The man behind the Blue Gene supercomputer is on a new mission: Using number-crunching to solve complex business problems. |
Science News
April 2, 2005
Ivars Peterson |
Sea Shell Spirals This growth process of a nautilus yields an elegant spiral structure, visible when the shell is sliced to reveal the individual chambers. Many accounts describe this pattern as a logarithmic (or equiangular) spiral and link it to a number known as the golden ratio... Puzzle of the Week... |
Macworld
March 4, 2005
Charles Seiter |
Mathematica 5.1 Wolfram Research's Mathematica 5.1 advanced math software is fast on big problems, sophisticated at automatic selection of algorithms and database functions, and capable of linking automatically to Web sites -- making it a powerful language for solving nearly any problem on a computer. |
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