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All Sites - 1960 items found, showing 1401 to 1450
 The Power of Innovative Scheduling - Robert Lynn Canady; Educational Leadership Journal A November 1995 article. "Alternative schedules may not add hours to the school day, but they can vastly improve the quality of the time students spend at school." Issues facing all schools; scheduling tips for elementary, middle and high schools; references. ...more>> The Power of One - Robert Matthews, The New Scientist Benford's law demands that around 30 per cent of the numbers in a given data set will start with a 1, 18 per cent with a 2, right down to just 4.6 per cent starting with a 9. This essay provides a mathematical history behind the counterintuitive law, ...more>> The Power of Partitions - Ivars Peterson - Science News Online A year before his death in 1920 at the age of 32, mathematician Srinivasa Ramanujan came upon a remarkable pattern in a special list of whole numbers that gave, for each of the first 200 integers, the number of their partitions, which range from 1 to ...more>> Powers of 5 and Traveling to the North Pole (Math Chat) - Frank Morgan; Christian Science Monitor What is the remainder when you divide 5^999,000 by 7? ...more>> Powersums, Fermat, Waring; Quotes, History... - Nico F. Benschop Links to papers on the ideas of Fermat, Waring, Goldbach, Cantor, Hensel, Hasse-Minkowski, and Selmer, and the following mathematical concepts: semigroups, sequential logic synthesis, cubic roots, and state machines and their sequential closure. With ...more>> Practical Foundations of Mathematics - Paul Taylor The full text (online, in HTML) of the book (some diagrams may be missing), published by Cambridge University Press in March, 1999 as number 59 in their series Cambridge Studies in Advanced Mathematics. Practical Foundations collects the methods of construction ...more>> A Practical Guide to Wavelet Analysis - Christopher Torrence and Gilbert P. Compo Read an introduction to wavelet analysis and Monte Carlo methods, or download it in PDF or PostScript format. Use an interactive wavelet plotting form to investigate sample time series or your own data. Download wavelet software in Fortran, IDL, or ...more>> The Practice of Logical Frameworks (1996) - Frank Pfenning A survey article discussing the history of work on logical frameworks and their current open problems. Deductive systems, given via axioms and rules of inference, are a common conceptual tool in mathematical logic and computer science. They are used to ...more>> Practice Online! The Electronic Complement to INTERFACES (POL) - Institute for Operations Reseach and the Management Sciences (INFORMS) A practice-oriented electronic information service of INFORMS, jointly sponsored by INTERFACES and the INFORMS Roundtable. Forum, submission guidelines, supplemental materials online, tables of contents and abstracts, Edelman abstracts, practice-oriented ...more>> Precollege science and math 'lack focus' - Janet Raloff - Science News Online A National Science Foundation report finds no one at the helm of U.S. science and math education, with the result that students are exposed to smatterings of topics that vary regionally and encourage little in-depth learning. The analysis, released in ...more>> Preconditioned Eigensolvers - Andrew Knyazev; Dept. of Mathematics, Univ. of Colorado at Denver Investigations into matrix-free iterative methods for partial eigenvalue problems that take advantage of using preconditioners to accelerate convergence. Papers, an interactive discussion, a bibliography, related conferences, and links to software. ...more>> Preparing for University Calculus - Mathematics and Statistics Committee of the Atlantic Provinces Council on the Sciences (APICS) Answers frequently asked questions about university level calculus courses, such as "What math will I need in university?" and "What is calculus?" Also download the booklet, which offers sample questions and hints of the sort often found on calculus placement ...more>> Preparing Teachers of Mathematics: Asking the Right Questions - Lynn Arthur Steen; St. Olaf College Lynn Steen writes that the problems of teacher preparation arise from multiple sources and require correspondingly different solutions. About mathematics teachers, prospective mathematics teachers, and curriculum issues. ...more>> Preservice Teachers' Conceptions of Mathematics and How to Teach It - Annie and John Selden; Mathematical Association of America "The way teachers explain mathematics depends, to a large extent, on the conceptual grasp they acquire in their college classes. In addition, they often teach as they were taught, modeling themselves after their college mathematics teachers as much as ...more>> Presidential Election and the Length of the Shortest Piece (Math Chat) - Frank Morgan, MAA Online Presidential election with 48% of the US popular vote does not come close to the extreme possibility, even with just two candidates, of winning with less than about 22% of the popular vote. See Math Chat of November 8, 1996. Answer to the Challenge: 1. ...more>> President's Column (MAA) - Ken Ross MAA President Ken Ross wrote this column for Focus on the need to connect K12 and college-level reforms. ...more>> Pretty Functions - Ivars Peterson (MathTrek) About graphing calculators, and the software Graphing Calculator, a computer program for quickly visualizing two- and three-dimensional mathematical objects. Graphs illustrate plotting a given function, then seeing what happens when you modify the function ...more>> Prime Gaps - Ivars Peterson (MathLand) A prime is a whole number (other than 1) that is evenly divisible only by itself and 1. That simple definition leads to following sequence of numbers: 2, 3, 5, 7, 11, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 89, 97, 101, and so ...more>> Prime Listening - Ivars Peterson (MathTrek) Mathematician Chris K. Caldwell of the University of Tennessee in Martin has developed a scheme for listening to sequences of primes - to hear both simple patterns and perplexing irregularities found among those numbers. "Multimedia allows the use of ...more>> Prime Numbers - MacTutor Math History Archives Linked essay describing the work on primes from Pythagoras through Gauss, Legendre, Riemann, and Valee Poussin, with additional sections on still unsolved problems, the latest prime records, and other web sites, as well as 21 references (books/articles). ...more>> The Prime Pages - Chris Caldwell; Dept. of Mathematics & Computer Science, Univ. of Tennessee at Martin An index of information on prime numbers. Definition; Articles and information on primes, including how to find and prove primality, and a wealth of historical information. Lists of primes and prime factorizations, including the first x primes and the ...more>> A Primer on Vorticity for Application in Supercells and Tornadoes - Charles A. Doswell III, Cooperative Institute for Mesoscale Meteorological Studies "Vorticity is a 3-dimensional vector.... associated with the spatial variation of the wind field." This tutorial for those interested in supercell thunderstorms and tornadoes contains four mathematical diversions exploring models of fluid dynamics and ...more>> Primes and Composites (Math Chat) - Frank Morgan, MAA Online Answering the challenge: Consider the sequence of integers 10n + 1: 11, 101, 1001, ... Are there infinitely many primes? Infinitely many composite numbers? Whenever n is odd, 10n + 1 is divisible by 11. Modulo 11, 10n + 1 = (-1)n + 1 = 0 if n is odd, ...more>> A Prime Surprise - Ivars Peterson (MathTrek) Many of the 100 or so people who had helped with the nine-prime effort immediately signed up for the new quest and began checking numbers. To everyone's surprise, Manfred Toplic (the same!) set the new record, reporting on March 2 that he had found 10 ...more>> Prime Talent - Ivars Peterson (MathTrek) Whole numbers have all sorts of curious properties. Consider, for example, the integer 1998. It turns out that 1998 is equal to the sum of its digits plus the cubes of those digits (1 + 9 + 9 + 8 + 13 + 93 + 93 + 83). What's the largest number for which ...more>> Prime Theorem of the Century - Ivars Peterson (MathLand) "Prime numbers have always fascinated mathematicians," Underwood Dudley of DePauw University in Indiana wrote in a 1978 textbook. "They appear among the integers seemingly at random, and yet not quite: There seems to be some order or pattern, just a little ...more>> Prime Treasure Hunt - Ivars Peterson (MathTrek) The headline shouted, "Hacker accused of using U.S. West computers on math problem." The Associated Press news report, dated Sept. 15 [1998], went on to describe how computer consultant Aaron Blosser of Lakewood, Colo., had enlisted 2,585 computers at ...more>> Principia Cybernetica Web - Turchin, Joslyn, Heylighen, Bollen, eds. Principia Cybernetica Project (PCP) is an international organization that tries to tackle age-old philosophical questions with the help of the most recent cybernetic theories and technologies. The Project's aim is the computer-supported collaborative ...more>> Principia Mathematica - A.D.Irvine; Stanford Encyclopedia of Philosophy The philosophy encyclopedia's entry on Principia Mathematica, the landmark work on mathematical logic and the foundations of mathematics written by Alfred North Whitehead and Bertrand Russell. Next to Aristotle's Organon, it is the most influential book ...more>> Principles and Practice of Constraint Programming: Conferences - Department of Computing Science, Univ. of Alberta, B.C. Links to previous and future conferences concerned with all aspects of computing with constraints including: algorithms, applications, environments, languages, models, systems. Contributions are welcome from any discipline concerned with constraints, ...more>> PRISM (Parallel Research on Invariant Subspace Methods) A project the goal of which is to develop infrastructure and algorithms for the parallel solution of eigenvalue problems. PRISM is currently investigating a complete eigensolver based on the Invariant Subspace Decomposition Algorithm for dense symmetric ...more>> Prisoners of Time - U.S. Dept. of Education Report of the National Education Commission on Time and Learning, April 1994, established as an independent advisory body to study the relation between time and learning in American schools. "The degree to which today's American school is controlled by ...more>> Prized Geometric Logic - Ivars Peterson (MathTrek) Computer programs can handle all sorts of data [such as] a set of discrete elements, such as temperatures. Some elements of a set may be larger in value than others, or they may exhibit some other relationship that allows you to rank them or put them ...more>> Prize offered for solving number conundrum - Ivars Peterson - Science News Online A proof of a conjecture related to Fermat's last theorem would earn \$50,000. ...more>> Prizes and Perils of Popularizing - Keith Devlin A series of vignettes abouut some of the leading popularizers of mathematics. Sections include: Casti's Tale; Devlin's Tale; Stewart's Tale; Paulos's Tale; Dunham's Tale; and Why Do We Do It? Previously published in Focus. ...more>> Probability Abstract Service - University of Washington, Seattle, WA Latest abstracts, with some preprints and information about authors; all abstract titles (old and new titles and authors, a large file); old abstracts; submission and subscription information; and related WWW servers. ...more>> Probability and Statistics (MathPages) - Kevin Brown More than 40 "informal notes" by Kevin Brown on probability and statistics: evaluating probabilities of Boolean events, area under the bell curve, N items distributed in M bins, dice rolling a given sum, a better lottery, meetings and birthdays, on random ...more>> The Probability Web - Bob Dobrow; Department of Mathematics and Computer Science, Carleton College A collection of pages to serve people with interests in probability theory and its applications. Information is presented under the following headings: Probability links, Abstracts, Listservers, Newsgroups, People, Jobs, Journals, Software, Books, Booksellers, ...more>> Problem at the Art Gallery - Ivars Peterson (MathLand) The Crystal Art Gallery was being readied for its grand opening, and I had to figure out how many guards were needed to make sure that every wall of paintings was under scrutiny. I was also ordered to keep costs as low as possible. The trouble was that ...more>> The Problem of Knot Classification - Charilaos Aneziris Contents: Denoting Regular Knot projections; When is a notation drawable?; Equal Drawability; Identifying Equivalent Knot Projections; Ordering Knot Notations; Connected Sums; Comparing Regular Knot Projections; NF=14 Results; Calculating the Alexander ...more>> Problem of the Week Articles - the Math Forum @ Drexel These three published articles give context to using the Math Forum's Problems of the Week with students: Writing to Develop Understanding: The Math Forum @ Drexel's PoWs; Problems of the Week Engage Students with Special Needs; and The Impact of the ...more>> Problem Solving in Mathematics - Jim Wilson; Univ. of Georgia Problems in algebra, geometry, conversion, cryptarithm, "mean," trigonometry, and a mixture of all, many with comments and solutions, from a course given in the Dept. of Mathematics Education at the University of Georgia. The site also provides links ...more>> Problem Solving - It Has to Begin with Noticing and Wondering - Hogan, Marie; and Alejandre, Suzanne Middle school teacher Marie Hogan observed as the Forum's Director of Professional Development modeled a full cycle of the Problems of the Week (PoWs) in Hogan's West Covina (CA) classroom. This co-authored article about their experience around the PoW ...more>> Problem Solving with Heron's Formula - Jim Wilson; Dept. of Mathematics Education, Univ. of Georgia A paper on the development and demonstration of Heron's formula for the area of a triangle given the lengths of its three sides. Problems and explorations are included for using Heron's formula. ...more>> Professional Development in a Technological Age: New Definitions, Old Challenges, New Resources - Cathy Miles Grant This paper looks broadly at the field of professional development and the underlying principles that guide current approaches. The paper suggests specific issues that come with the process of supporting teachers in technology use, and concludes with a ...more>> Professor Badih Ghusayni Ghusayni, who teaches in the Department of Mathematics at Lebanese University, serves as Founder and Managing Editor of the International Journal of Mathematics and Computer Science. Purchase and download his books and journal articles on complex and ...more>> Professor L N Trefethen, Numerical Analysis - Balliol College, Oxford University, UK Links to books and recent papers by the head of the Numerical Analysis Group at Oxford University. Books include: Spectral Methods in Matlab, Finite Difference and Spectral Methods, Numerical Linear Algebra, and Spectra and Pseudospectra. ...more>> Professor Salah Mecheri - Salah Mecheri Home page of a mathematical analysis professor in Saudi Arabia. Includes publications, references, research statements, primarily focused on operator theory. ...more>> Professor Warwick Sawyer - Mark Alder Articles by the author of Mathematician's Delight: "Things and Unthings - An approach to negative numbers," "The Contribution of Music to Mathematical Discovery," "Some Thoughts on Education and Mathematics," "Saturday Morning Mathematics in Cambridge," ...more>> Profile (John H. Conway): Not Just Fun and Games - Mark Alpert, Scientific American A short biography of the English-born Princeton University mathematician and a discussion of some of his major mathematical contributions. ...over the past three decades Conway has made some of his greatest contributions to mathematical theory by analyzing ...more>>
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