- Trachtenberg Speed System - Math Forum, Ask Dr. Math FAQ
An introduction to Trachtenberg's system of performing high-speed multiplication, division, addition, subtraction, and square root, all in one's head, with references.
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- TTMath - big online calculator - Tomasz Sowa
This big numbers library for C++ programming language performs mathematical operations with unsigned/signed integers and floating point numbers.
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- UMass Lowell WebMathematica Scripts - Kenneth M. Levasseur, Department of Mathematical Sciences, University of Massachusetts Lowell
Download Mathematica scripts. Abstract Algebra: generate Cayley tables of EAAM groups, Zn, and the ring Zn; connect the dots to visualize finite cyclic groups; polynomial extensions; and a game on finding a morphism between two groups. Modeling: exponential
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- UVM High School Math Contest - Larry Kost, University of Vermont College of Engineering & Mathematics
Tests, with solutions, from contests dating back to the forty-fifth annual high school prize examination, of 2002. The tests consist of about forty questions encompassing number theory, algebra, and geometry. Also, lists of statewide and regional winners,
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- Vedic Mathematics - Rahul Bhangale
Shortcut techniques to perform arithmetic operations quickly and simply: multiplication, including Nikhilam, Anurupyena, Urdhva Tiryak, Ekayunena Purvena, and Antyaordasake'pi; squaring, such as Dvanda Yoga, Yavadunam, and Ekadhikena Purvena; Paravartya,
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- Veewo - Veewo Game
Makers of puzzle game apps 1024, Just Get 10, Math Freak, and more.
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- WebMath: Instant Solutions to Math Problems
Instant solutions to math problems: look over the various links on the home page until you find a topic that seems to describe the math problem you're working on. Select a link then another and you will be presented with a blank form into which you can
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- What on Earth is a Logarithm? - Peter Alfeld, University of Utah
An understanding-based approach to powers and logarithms, with a link to a special example: how to convert a logarithm with respect to one base to a logarithm with respect to another base; and a Java applet logarithm calculator.
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- The World of Trotter Math - Terry Trotter, Escuela Americana, San Salvador, El Salvador
A page of problems, problem sheets, and investigations, with links to image files of an in-class math newsletter, Trotter Math News. Of particular interest to the author are numbers: happy and dizzy numbers; palindromes; super squares; perfect, amicable,
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- Zoomin Calculus - Susan J. Northridge
Short instructional videos for students in calculus and pre-calculus. Topics include algebra, unit circle, natural logarithms, exponents, limits, derivatives, applications of differentiation, integrals, and more.
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- Zoom Math - I.Q. Joe
The makers of Zoom Algebra, an application with an intuitive visual interface and numerous typing shortcuts. Their apps for TI-83 Plus or TI-84 Plus graphing calculators let you "type problems in just the way they look in your textbook, and then they
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