| Twenty-Five_Years_with_Nicolas_Bourbaki Article by Armand Borel from a lecture at Bochum in September 1996 in honour of R.Remmert. (March, 1998) |
| Connection_Between_DDC21_and_MSC2000 Translating the AMS Mathematics Classification Scheme into Dewey Decimal and vice versa. |
| Information_for_Readers_of_sci_math_research Charter and useful information for this moderated research-level newsgroup . |
| MSC2000 The current Mathematics Subject Classification proposed by the AMS. HTML, PDF. |
| Referativni_Zhurnal_Classification_Scheme Translated by Bogdan Dudzik. |
| The_ACTS_Toolkit A set of DOE-developed software tools that make it easier for programmers to write high performance scientific applications for parallel computers. |
| Addix_Software_Consultancy Suppliers of financial, mathematical and statistical function libraries and tools for use in Excel, VB and VBA. Page includes details about programs offered. |
| Applied_Mathematics_Software Shareware mathematical components and applications using Borland products. |
| Arageli C++ template library for computations in ARithmetics, Algebra, GEometry, Linear and Integer linear programming. Supports arbitrary length integers, rationals, vectors, matrices. |
| Atlantis_Graphing/Math_Software Includes Graphing, Curve-Fitting, Statistics, Roots of Polynomials, Matrix Algebra, Integration. Windows; free evaluation version, on-line ordering. |
| Behavior_Modeler GrafiCalc allows users to simulate and solve a wide range of geometry based computational challenges. |
| Calculus_1_0 Software for Windows by Ashay Dharwadker. Compute and graph functions, derivatives and integrals. Free limited evaluation version. |
| Computational_Finance_and_Mathematical_Software_Components Applications in computational finance, signal processing, independent component analysis (ICA), time series analysis and data mining. ActiveX Controls that can be used in a wide range of Windows Appl |
| CORE Supports exact comparisons for expressions involving arithmetic and square roots, or if desired, faster inexact comparisons. Designed for exact geometric computation. |
| CPLEX Mathematical Programming Software for resource optimization. Our linear, mixed-integer and quadratic programming solvers are known for superior performance and reliability--particularly on large, diff |
| Curve_Fit_XYZ_Computer_Program Curve fit program determines equation coefficients for functions y = f(x) and y = f(x,z). Polynomial, exponential and power form of the equation are included. |
| DataTrend_Software Grab It allows a scientist or engineer to digitize data without a graphic tablet. Loads any graph or chart and digitizes the data accurately and in real time. |
| dotNum_-__NET_Numerics A free/open-source numeric class library for math, engineering, scientific and financial applications; written in C# for the .NET platform with native BLAS support. |
| 3D-XplorMath 3D-XplorMath is a mathematical visualization program for Macintosh computers running version 9 or later of MacOS. It is free for non-commercial use. |
| EasyPlot Scientific Graphing and Data Analysis. |
| efg\'s_Computer_Lab___Cyclic_Redundancy_Code_Calculator Lab Report about computing CRC-16 and CRC-32 values using Delphi. Includes links and literature references. |
| Eigenmath Symbolic mathematics for Windows, MacOSX. A sourceforge open-source project. |
| eLib The Electronic Library for Mathematical Software at Konrad-Zuse-Zentrum fĂźr Informationstechnik Berlin (ZIB). |
| Equation_Editors_by_MGCSoft Math equation and graphical editor. |
| Euler A numerical laboratory with a programming language, similar to Matlab. |
| Euromath_Support_Center Distribution and support of Euromath software (Bratislava, Slovak Republic). Unix version free to download. |
| Exocortex_DSP An open source digital signal processing library written in C#. Includes complex numbers classes, statistical functions and 1D, 2D and 3D fast Fourier transforms. |
| Exterior_Differential_Calculus Freeware enables Mathematica to carry out calculations with differential forms. |
| Formula_Interpreter_ForInt A free mathematical program with basic and higher functions. Free download, web demo version. |
| Free_Statistics An index of free mathematical software. Sorted alphabetically by program name. Includes screenshots. Most are for use with Windows only. |
| GNU_Octave High-level language, primarily intended for numerical computations. Solves linear and nonlinear problems numerically, and uses a language that is mostly compatible with Matlab. It may also be used as |
| GRAPE_-_Graphics_Programming_Environment A package for mathematical visualization, particularly in the fields of differential geometry and continuum mechanics. Available free by FTP but only to university departments and similiar research s |
| Guide_to_Available_Mathematical_Software_(GAMS) You can search for software according to: what problem it solves; package name; module name; and text in module abstracts. |
| Hermetic_Systems__Mathematical_Items Programs on mathematical themes, including programs for factoring numbers and for exploring the prime number spiral. |
| HPCC_Software_Exchange A distributed collection of software, documents, data, and information for the high performance and parallel computing community. |
| HyperCube Free Windows and Macintosh software, "HyperCube", to process digital imagery including multispectral and hyperspectral data. |
| JavaMath_API Sourceforge software to enable mathematical programs in Java to use the computational capabilities of existing compute engines. |
| JavaScript_Applications__Numerical_Methods_ Applications in JavaScript (Jscript for Microsoft) of several numerical methods: scientific calculator, inverse matrix, numerical integral, oscillations, navigation. |
| JEP_-_Java_Math_Expression_Parser An open-source Java API for parsing and evaluating mathematical expressions. |
| LiveMath Computer algebra and graphing tool for Mac, Windows, Linux and Sun, formerly sold under the product names Theorist and MathView, with ancillary product Expressionist. Includes a browser plug-in. |
more 1847 (Koka 4) 1 Circles in a rectangle Hachiman(???) Uchiko Ehime (Shikoku) 
more 1686 (Jokyo 3) 11 An old sangaku in Kyoto Kitano-tenman-gu(???) Kyoto Kyoto 
more 1989 (Heisei 1) 2x1 Two small sangaku recently dedicated to the yasui shrine in Kyoto. Yasui(???) Kyoto Kyoto 
more 1893 (Meiji 26 ) + 1920 (Taisho 9) 17 + 0 A sangaku (or even 2) found in a temple ???(???) Fukushima Fukushima 
more 1846 (Koka 3) 2x7 Two old sangakus in a shrine Ichi no seki Hachiman(???) Ichi no seki MiyagiMore sangakuWhere to find a sangaku?You can find a catalog (in Japanese) of existing sangaku at http://www.morikita.co.jp/soft/0164/genzon.pdf. But some of the shrines mentionned in this catalogue do not have their sangaku anymore...Links and referencesIn English:An article about Sangaku published by Princeton UniversityA website dedicated to japanese mathematics (wasan) with pictures of sangaku.The website made by the author of the article article published in Scientific american (with a link to the article).About a sangaku found in Isaniwa.In French:Two articles have been published in Tangente.In Hungarian:Szabó Péter Gábor has written two articles Onearticle has been published in Szakuand the other inthe Hungarian Mathematical Journal. He has gathered some links on hisweb page.In Dutch:Zsófia Ruttkay wrote two articles in Dutchhereand here.In Japanese:A book about japanese mathematics (wasan) and sangaku.
Webdelerue.orgsangaku.infophotographies.wsPage made by Nicolas Delerue 