Number

Fibonacci Numbers, the Golden Section and the Golden String (Popularity: )

A site about fibonacci numbers in nature, art, geometry, architecture and music.
Category: Science\Math\Recreations\Specific Numbers

Research Randomizer (Popularity: )

A free web-based service that offers instant random sampling and random assignment for researchers. Also ...
Category: Science\Math\Statistics

Advanced Aerodynamics Software (Popularity: )

Software for airfoil aerodynamics by Dr. Hanley including the library of NACA 4, 5 and ...
Category: Science\Physics\Fluid Mechanics and Dynamics\Software

Integers and Math Homework Help (Popularity: )

Homework help with positive and negative integers, the number line, absolute value, adding, subtracting, multiplying, ...
Category: Science\Math\Recreations\Specific Numbers

Math.com (Popularity: )

Homework help, tutoring, and formulas.
Category: Science\Math\Education

Inorganic Crystal Structure Database (ICSD) (Popularity: )

Contains records of all inorganic crystal structures, with atomic coordinates, published since 1913.
Category: Science\Physics\Crystallography\Databases

Mathematrix (Popularity: )

Devoted to exploring the more entertaining (and generally lesser known) areas of mathematics. Can be ...
Category: Science\Math\Recreations

Focus on the Global South (Popularity: )

A program of progressive development policy research and practice that works on regional and global ...
Category: Science\Social Sciences\Political Science\International Relations

Exocortex.DSP (Popularity: )

An open source digital signal processing library written in C#. Includes complex numbers classes, statistical ...
Category: Science\Math\Software

AES Algorithm (Rijndael) Information (Popularity: )

This is NIST's home page for the Rijndael block cipher, now the Advanced Encryption Standard ...
Category: Science\Math\Applications\Communication Theory

Speed Math (Popularity: )

Introduction to the system of math discovered by Jakov Trachtenberg. Basic formulae are presented along ...
Category: Science\Math\Algebra\High School

Euclid's Elements, An Introduction (Popularity: )

Includes the entire 13 books on plane geometry, geometric and abstract algebra, number theory, incommensurables, ...
Category: Science\Math\Education\Java Applets

Math Land (Popularity: )

Includes word problems, online games, and interactives quizzes.
Category: Science\Math\Education\Teaching Resources

Institute of Physics Publishing (Popularity: )

Books on physics. Searchable catalogue, online ordering, author services.
Category: Science\Physics\Publications

Piguy's Math Page (Popularity: )

This page has dozens of math calculators, making all sorts of math, from algebra to ...
Category: Science\Math\Education

Paragon Scientific (Popularity: )

Viscosity standards and refractive index standards.
Category: Science\Instruments and Supplies\Tribology and Lubrication

PIPE-PRO (Popularity: )

Five programs in one package for fluid flow analysis of piping systems.
Category: Science\Technology\Mechanical Engineering\Software

HydroCAD Stormwater Modeling System (Popularity: )

Tools for modeling stormwater runoff, routing, ponds, hydraulics, culverts, weirs. Includes procedures from SCS TR-20, ...
Category: Science\Technology\Software for Engineering\Civil Engineering

Magic Squares, Magic Stars and Other Patterns (Popularity: )

Pages on magic squares, magic stars (a lot of original material) and miscellaneous number patterns. ...
Category: Science\Math\Recreations\Magic Square

The Golden Section - the Number and Its Geometry (Popularity: )

Simple definitions; exact value and first 2000 decimal places; finding the golden section; continued fractions. ...
Category: Science\Math\Recreations\Specific Numbers