### Volume 4, Number 1

 ``` 4 January 1999 Vol. 4, No. 1 THE MATH FORUM INTERNET NEWS 1999 Puzzle | Ken's Puzzle | Mathpuzzle.com |Prime Puzzles - Rivera 1999 PUZZLE - Judy Brown, Math Forum http://mathforum.org./~judyann/1999.html For students in grades 3-12 with a general knowledge of mathematics. Use the digits in the year 1999 and the operations +, -, x, /, sqrt (square root), ^ (raise to a power), and ! (factorial), along with grouping symbols, to write expressions for the counting numbers 1 through 100. -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- KEN'S PUZZLE OF THE WEEK - Ken Duisenberg http://www.ecst.csuchico.edu/~kend/potw/current.html A weekly puzzle for advanced high school or college level students, with a math, geometry, or game focus. The problems are easy to understand but tricky to solve. An archive of over 100 previous problems and solutions is available: http://www.ecst.csuchico.edu/~kend/potw/archlist.html See also Ken's Puzzle Links to more than fifty mathematical and word puzzle pages: http://www.ecst.csuchico.edu/~kend/potw/puzlinks.html -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- MATHPUZZLE.COM: MATH PUZZLE OF THE WEEK - Ed Pegg, Jr. http://www.mathpuzzle.com/ A site celebrating math puzzles and mathematical recreations. Ed Pegg is a twenty-year member of the National Puzzler's League, and frequently contributes to the New York Times crossword, Games magazine, and National Public Radio's Sunday Puzzler. In addition to his puzzle of the week, Pegg's math puzzle pages include: - Fair Dice, - Chaos Tiles - Multistate Mazes, - Iamonds - Leapers, - Word Play - Previous Puzzles - Other Stuff. Also provided are links to places you can buy puzzles; good applet puzzles; mathematical recreation sites; daily, weekly, and monthly puzzle sites; and other sites the author likes (game reports, reviews, etc.) -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- THE PRIME PUZZLES & PROBLEMS CONNECTION - Carlos B. Rivera http://www.sci.net.mx/~crivera/ An anthology of the most interesting problems and puzzles explicitly related to prime numbers. The site is organized into: - Records - to convert you into a "prime hunter"; you'll discover that all you need to top a record is a PC, a good code, and a certain amount of patience - Conjectures - mathematical "guesses" for experts to prove or disprove - Problems suitable for amateurs - Puzzles - more than 30 puzzles having to do with prime numbers: http://www.sci.net.mx/~crivera/puzzles/puzzles.htm \|/ For more puzzle sites, see: - The Big List of Puzzle and Riddle Pages http://leden.tref.nl/mhulsman/biglist.htm - The Black Stump Puzzle Page http://www.blackstump.com.au/puzzle.htm - The Ultimate Puzzle Site http://www.dse.nl/puzzle/index_us.html -|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|-\-/-|- CHECK OUT OUR WEB SITE: The Math Forum http://mathforum.org/ Ask Dr. Math http://mathforum.org/dr.math/ Problems of the Week http://mathforum.org/pow/ Internet Resources http://mathforum.org/~steve/ Teacher2Teacher http://mathforum.org/t2t/ Discussion Groups http://mathforum.org/discussions/ Join the Math Forum http://mathforum.org/join.forum.html Send comments to the Math Forum Internet Newsletter editors _o \o_ __| \ / |__ o _ o/ \o/ __|- __/ \__/o \o | o/ o/__/ /\ /| | \ \ / \ / \ /o\ / \ / \ / | / \ / \ ```