| A_New_Way_to_Calculate_a_Triangle\'s_Area Using the length of the three sides. The proof is better understood than the old one. |
| Packomania Includes packings of equal objects in containers together with source codes to obtain them numerically. |
| Paul_Bourke\'s_Geometry_Page Includes formulas, definitions and three dimensional image illustrations. |
| Problem_of_the_Minimum_Rotation_Surface Java applet demonstrating the catenary. |
| Steiner_Surfaces Mathematical descriptions and ray-traced images of various types of Steiner surfaces |
| Tim_Lister\'s_Hyperbolic_Geometry Cabri constructions for the demonstration of the basic concepts of hyperbolic geometry in the Poincare disc model. |
| Wilson_Stothers\'_Inversive_Geometry_and_CabriJava_Pages Includes Steiner's Porism and the arbelos. |
| Xah\'s_Personal_Page Features an illustrated dictionary of special plane curves, a paper on wallpaper groups, mathematics image gallery and links to software packages. |
| NPR___Mathematicians_Get_Crafty_with_Geometry A husband and wife from Cornell University have come up with a crafty way to illustrate high-level geometry concepts -- by manipulating yarn into models that help explain the curvature of spaces. The |
| The_Abacus Articles on the history, techniques, and construction of the abacus, with interactive Java Applet. |
| Digital_Library_of_Mathematical_Functions This mockup gives an idea of the current ideas about the design and organization of the new Digital Library; these ideas are, of course, subject to change. Content only is only available in a few pla |
| Geometry_Formulas_and_Facts An excerpt from the 30th Edition of the CRC Standard Mathematical Tables and Formulas, covering the area of Geometry (minus differential geometry), by Silvio Levy. |
| Glossary_of_Math_Terms Explains commonly used words specialized to this field. Includes examples and some graph illustrations. |
| Math_Assistance Lists rules and formulas for a number of mathematical subjects, such as plotting graphics, functions, factoring, derivatives, integrals, matrices, vectors, and numerical analysis. In English, French |
| The_Math_Reference_Project An electronic archive of articles by Karl Dahlke on topics ranging from high school geometry up to graduate level topology. |
| Mathematical_Atlas A topical guide to modern mathematics that explains the subdisciplines. Includes graphics that represent their relative size and relationship. |
| Mathematics_Resources This site comprises a large number of links to matheamtical resources, dedicated to various topics. |
| Math2_Org Formerly Dave's Math Tables. Mathematical tables on-line and downloadable. |
| Numbers_and_Numerical_Prefixes Tables for Greek and Latin number values alone and as a part of other words. |
| On-Line_Encyclopedia_of_Integer_Sequences Identify a sequence by entering few terms in the sequence. Additional information includes examples, formulas, and related links. |
| PlanetMath A collaborative encyclopaedia with entries contributed under the GNU Free Documentation License. |
| Platonic_Realms Online resource for the mathematics community: links library, bookstore, quotes, and online articles. |
| Summation_Formulae For polynomials of degrees up to 50, generated using the Euler-Maclaurin method. |
| Wikipedia__Mathematics_Section Free encyclopedia. Cover number systems, different math fields, foundations, history, applications, and famous problems. |
| Wolfram__Mathematical_Functions Includes advanced formulas and visualizations of various equation, such as elliptical curves. |
| About_com__Botany A page of links and articles. |
| BioScience_Research_Tool__Botany Specialized directory of online tools and resources selected for Botanists, Plant Physiologists, and Plant Molecular Geneticists. |
| Botanical_Authors_Database Search the database of authors who contributed to the contents of the catalog of type specimens in the Harvard University Herbaria. |
| Botanical_Publications_Database Database of publications used to verify the entry of publication names in the Harvard Herbaria catalog. |
| Botanical_Society_of_America_Image_Collection Collection of 14 sets of educational images for instructional use, with search capability. |
| Botany_Encyclopedia Includes a botanical dictionary, advice for gardeners, and a store selling plants. |
| Botresearch_USA a botanical research and biotechnology organization specializing in tissue culture, photomicroscopy, and the production of educational materials for universities. |
| Center_for_Plant_Conservation Collaborative organization dedicated to conserving and restoring the rare native plants of the United States. Includes information on conservation techniques. |
| Cladistics_or_Supercilious? Textual review of the development of evolutionary trees in botany. Written by Henry Loconte. |
| Glossary_of_Botanical_Terms Contains more than 2,500 terms relating to botany, gardening, horticulture and landscape architecture. Fully searchable and it is regularly updated. |
| Green_Plant_Phylogeny Green plant phylogeny research coordination group. |
| Hunt_Institute_for_Botanical_Documentation A division of Carnegie Mellon University. Archives, research, art, and information about the institute are included. |
| Institute_for_Plant_Ecology Information about research and teaching activities with focus on biodiversity and ecophysiology in different climatic regions, based at the University Münster. |
| International_Centre_for_Research_and_Training_on_Seabuckthorn Information on the biology of this plant and its uses for environmental, economic, nutritional, and medical purposes; emphasizing erosion control. |
| International_Plant_Genetic_Resources_Institute Contains information on IPGRI, resources, and press releases. |