| IB Math Studies: Functions 1 | en | Math courses |
| IBM compatible | en | Training math software on CD: publishers and sellers |
| iCompiti: lezioni di matematica | it | Sites with math lessons |
| Icosaweb (academie de La Reunion ...) | fr | General educational sites |
| Icosaweb (academie de La Reunion ...) | fr | Texts and documents |
| Identical transformations of algebraic expressions | ru | Methodical materials |
| IEEE Computer Society | en | Math servers (ftp and gopher) |
| IEEE Neural Network Council | en | Math servers (ftp and gopher) |
| IEEE | en | Math servers (ftp and gopher) |
| IEP Math | en | Mathematics software |
| Il giardino di Archimede. Un Museo per la Matematica | it | Encyclopaedia and musea |
| Il Giardino di Archimede: L'ALGEBRA NELLA MATEMATICA ISLAMICA | it | History of mathematics |
| Il piu grande numero primo | it | Numbers, functions, theorems … |
| Ile des mathématiques | fr | Math solutions |
| Ile des mathématiques | fr | Sites with math lessons |
| Illinois Council of Teachers of Mathematics | en | Teacher-oriented sites |
| Image-ination.com | en | Sites with math tools |
| images and photographs from the history | en | Mathematics and … |
| IMASOFT · Mathematik und Software | de | Mathematics software |
| IME 2001/2002 | pt | Math exams |
| IMEL : Internet et Mathematiques En Ligne | fr | Didactics |
| IMEL : Internet et Mathematiques En Ligne | fr | Math libraries |
| Imperial College | en | Math servers (ftp and gopher) |
| Imperial College London | en | Math servers (ftp and gopher) |
| Impossible patterns | ru | Mathematics and … |
| Improve mathematical skills of your kid by giving practice homework. | en | Sites with math tests |
| IMS Assesst Designer | en | Sites with math tools |
| iMática | pt | Encyclopaedia and musea |
| Index national des thèses et habilitations de mathématiques en France | fr | Texts and documents |
| Indexmath | fr,en | Sites with math lessons |
| Indiana University | en | Math servers (ftp and gopher) |
| Indiana University | en | Math servers (ftp and gopher) |
| Indiana Council of Teachers of Mathematics | en | Teacher-oriented sites |
| Indiana Council of Teachers of Mathematics | en | Teachers' associations |
| Indice de Matematica | pt | Sites with math lessons |
| Induccion Matematica | sp,en | Math solutions |
| Inequations | ru | Math solutions |
| INEW grade K-6 mathematics worksheet | en | Math solutions |
| InfoMath Software | en | Mathematics software |
| Information Today. [ISSN 8755-6286] Medford, NJ: Learned Information, Inc | en | Computer magazines |
| InfoWorld. [ISSN 0199-6649] Framingham, MA: Popular Computing, Inc. | en | Computer magazines |
| Ingram Micro - Education Distribution | en | Training math software on CD: publishers and sellers |
| Innumeracy.com | en | Logics, paradoxes … |
| Innumeracy.com | en | Logics, paradoxes … |
| Institut de mathématiques de l'Université de Lausanne | fr | Mathematical societies |
| Institut de Recherche en Informatique et Systemes Aleatoires | en | Math servers (ftp and gopher) |
| Institut de Recherche sur l'Enseignement des Mathematiques | fr | Teachers' associations |
| Institut de recherche sur l'enseignement des mathématiques | fr | Mathematical societies |
| Institut d'Informatique et de Mathematiques Appliquees de Grenoble | en | Math servers (ftp and gopher) |
| Institute for Advanced Study | en | Math servers (ftp and gopher) |
| Institute of applied mathematics | ru | Mathematical societies |
| Institute of applied mathematics | ru | Mathematical societies |
| Institute of calculus mathematics and geophysics | ru | Mathematical societies |
| Institute of calculus mathematics | ru | Mathematical societies |
| Institute of computing simulation | ru | Mathematical societies |
| Institute of mathematical modelling | ru | Mathematical societies |
| Institute of mathematics (Ufa) | ru | Mathematical societies |
| Institute of mathematics and information science | ru | Mathematical societies |
| Institute of mathematics and mechanics (Ural department.) | ru | Mathematical societies |
| Institute of mathematics | ru | Mathematical societies |
| Institute of mathematics | ru | Mathematical societies |
| INTEGRAL | sp | Methodical materials |
| Integrating the Internet in Your Curriculum | en | Didactics |
| Intellectual and logical games | ru | Logics, paradoxes … |
| INTELLIGENT TUTOR Math Software | en | Mathematics software |
| IntelliTools | en | Mathematics software |
| Interactive Geometry | en | Mathematics software |
| Interactive K-12 Mathematics Exercises | en | Mathematics software |
| Interactive Learning Network | en | General educational sites |
| Interactive Math Server | en | Educational portals |
| Interactive Math Server | en | Sites offering various training techniques |
| Interactive Mathematics Miscellany and Puzzles | en | Sites offering various training techniques |
| Interactive Mathematics Miscellany andPuzzles | de | Methodical materials |
| Interactive Mathvision | en | Mathematics software |
| Interactive solving trigonometry problems on-line | en | Math solutions |
| Interactive solving trigonometry problems on-line | en | Sites offering various training techniques |
| Interactive tutoring software. 14554 algebraische Ungleichungen. Proben | de | Mathematics software |
| Interactive tutoring software. Proving 132838 trigonometric and hyperbolic identities | en | Mathematics software |
| Interactive tutoring software. Proving 14554 algebraic inequalities | en | Mathematics software |
| Interactive tutoring software. Proving 150779 algebraic, trigonometric and hyperbolic identities | en | Mathematics software |
| Interactive tutoring software. Proving 20449 algebraic inequalities | en | Mathematics software |
| Interactive tutoring software. Proving 21987 hyperbolic Identities | en | Mathematics software |
| Interactive tutoring software. Proving 44091 hyperbolic Identities | en | Mathematics software |
| Interactive tutoring software. Proving 44117 trigonometric Identities | en | Mathematics software |
| Interactive tutoring software. Proving 47220 algebraic identities | en | Mathematics software |
| Interactive tutoring software. Proving 66247 trigonometric and hyperbolic identities | en | Mathematics software |
| Interactive tutoring software. Proving 7456 algebraic identities | en | Mathematics software |
| Interactive tutoring software. Proving 75150 algebraic, trigonometric and hyperbolic identities | en | Mathematics software |
| Interactive tutoring software. Proving 77373 trigonometric Identities | en | Mathematics software |
| Interactive tutoring software. Solving 10824 hyperbolic problems on simplification and evaluation of expressions | en | Mathematics software |
| Interactive tutoring software. Solving 19292 trigonometric equations | en | Mathematics software |
| Interactive tutoring software. Solving 21648 trigonometric problems on simplification and evaluation of expressions | en | Mathematics software |
| Interactive tutoring software. Solving 27425 trigonometric and hyperbolic equations | en | Mathematics software |
| Interactive tutoring software. Solving 32413 algebraic, trigonometric and hyperbolic equations | en | Mathematics software |
| Interactive tutoring software. Solving 32472 trigonometric and hyperbolic problems on simplification and evaluation of expressions | en | Mathematics software |
| Interactive tutoring software. Solving 35126 algebraic problems (expressions, identities, equations, inequalities) | en | Mathematics software |
| Interactive tutoring software. Solving 38095 algebraic, trigonometric and hyperbolic problems on simplification and evaluation of expressions | en | Mathematics software |
| Interactive tutoring software. Solving 40704 hyperbolic problems on simplification and evaluation of expressions | en | Mathematics software |
| Interactive tutoring software. Solving 41087 hyperbolic problems | en | Mathematics software |
| Interactive tutoring software. Solving 42322 algebraic problems on simplification and evaluation of expressions | en | Mathematics software |
| Interactive tutoring software. Solving 48632 trigonometric equations | en | Mathematics software |
| Interactive tutoring software. Solving 53809 hyperbolic equations | en | Mathematics software |
| Interactive tutoring software. Solving 54240 trigonometric problems on simplification and evaluation of expressions | en | Mathematics software |
| Interactive tutoring software. Solving 55235 trigonometric and hyperbolic equations | en | Mathematics software |
| Interactive tutoring software. Solving 5623 algebraic problems on simplification and evaluation of expressions | en | Mathematics software |
| Interactive tutoring software. Solving 65064 trigonometric and hyperbolic problems on simplification and evaluation of expressions | en | Mathematics software |
| Interactive tutoring software. Solving 65270 algebraic, trigonometric and hyperbolic equations | en | Mathematics software |
| Interactive tutoring software. Solving 70439 algebraic problems (expressions, identities, equations, inequalities) | en | Mathematics software |
| Interactive tutoring software. Solving 7089 hyperbolic equations | en | Mathematics software |
| Interactive tutoring software. Solving 76333 algebraic, trigonometric and hyperbolic problems on simplification and evaluation of expressions | en | Mathematics software |
| Interactive tutoring software. Solving 82451 hyperbolic problems | en | Mathematics software |
| Interactive tutoring software. Solving algebraic equations (37988 problems) | en | Mathematics software |
| Interactive tutoring software. Solving algebraic equations (5018 problems) | en | Mathematics software |
| Interactive tutoring software. Solving algebraic inequalities (14554 problems) | en | Mathematics software |
| Interactive tutoring software. Solving algebraic inequalities (54339 problems) | en | Mathematics software |
| Interactive tutoring software. Solving and proving 17203 algebraic inequalities | en | Mathematics software |
| Interactive tutoring software. Solving and proving 51532 algebraic inequalities | en | Mathematics software |
| Interactive tutoring software. Solving arithmetic and pre-algebra problems (36319 problems) | en | Mathematics software |
| Interactive tutoring software. Solving arithmetic and pre-algebra problems (9579 problems) | en | Mathematics software |
| Interactive tutoring software. Solving trigonometric problems - expressions, identities, equations - (168767 problems) | en | Mathematics software |
| Interactive tutoring software. Solving trigonometric problems - expressions, identities, equations - (84102 problems) | en | Mathematics software |
| Interaktive trigonometrische Aufgabenloesungen on-line | de | Math solutions |
| Interaktive trigonometrische Aufgabenloesungen on-line | de | Sites offering various training techniques |
| Interaktive Lernprogramm: 41087 hyperbolische Aufgaben | de | Mathematics software |
| Interaktive Lernprogramm: 47220 algebraische Identitaeten | de | Mathematics software |
| Interaktive Lernprogramm: 53809 hyperbolische Gleichungen | de | Mathematics software |
| Interaktive Lernprogramm: 54240 trigonometrische Berechnung-Aufgaben | de | Mathematics software |
| Interaktive Lernprogramm: 5623 algebraische Berechnung-Aufgaben | de | Mathematics software |
| Interaktive Lernprogramm: 66247 trigonometrische und hyperbolische Identitaetenen | de | Mathematics software |
| Interaktive Lernprogramm: 75150 algebraische, trigonometrische und hyperbolische Identitaetenen | de | Mathematics software |
| Interaktive Lernprogramm: 82451 hyperbolische Aufgaben | de | Mathematics software |
| Interaktive Lernprogramm: 10824 hyperbolische Berechnung-Aufgaben. | de | Mathematics software |
| Interaktive Lernprogramm: 132838 trigonometrische und hyperbolische Identitaetenen | de | Mathematics software |
| Interaktive Lernprogramm: 14554 algebraische Ungleichungen | de | Mathematics software |
| Interaktive Lernprogramm: 150779 algebraische, trigonometrische und hyperbolische Identitaetenen | de | Mathematics software |
| Interaktive Lernprogramm: 168767 trigonometrische Aufgaben - Ausdrueke, Identitaeten, Gleichungen | de | Mathematics software |
| Interaktive Lernprogramm: 17203 algebraische Ungleichungen | de | Mathematics software |
| Interaktive Lernprogramm: 19292 trigonometrische Gleichungen | de | Mathematics software |
| Interaktive Lernprogramm: 20449 algebraische Ungleichungen | de | Mathematics software |
| Interaktive Lernprogramm: 21648 trigonometrische Berechnung-Aufgaben | de | Mathematics software |
| Interaktive Lernprogramm: 21987 hyperbolische Identitaeten | de | Mathematics software |
| Interaktive Lernprogramm: 27425 trigonometrische und hyperbolische Gleichungen | de | Mathematics software |
| Interaktive Lernprogramm: 32413 algebraische, trigonometrische und hyperbolische Gleichungen | de | Mathematics software |
| Interaktive Lernprogramm: 32472 trigonometrische und hyperbolische Berechnung-Aufgaben | de | Mathematics software |
| Interaktive Lernprogramm: 35126 algebraische Aufgaben - Ausdrueke, Identitaeten, Gleichungen, Ungleichungen | de | Mathematics software |
| Interaktive Lernprogramm: 36319 Arithmetik Aufgaben | de | Mathematics software |
| Interaktive Lernprogramm: 37988 algebraische Gleichungen | de | Mathematics software |
| Interaktive Lernprogramm: 38095 algebraische, trigonometrische und hyperbolische Berechnung-Aufgaben | de | Mathematics software |
| Interaktive Lernprogramm: 40704 hyperbolische Berechnung-Aufgaben. | de | Mathematics software |
| Interaktive Lernprogramm: 42322 algebraische Berechnung-Aufgaben | de | Mathematics software |
| Interaktive Lernprogramm: 44091 hyperbolische Identitaeten | de | Mathematics software |
| Interaktive Lernprogramm: 44117 trigonometrische Identitaeten | de | Mathematics software |
| Interaktive Lernprogramm: 48632 trigonometrische Gleichungen | de | Mathematics software |
| Interaktive Lernprogramm: 5018 algebraische Gleichungen | de | Mathematics software |
| Interaktive Lernprogramm: 51532 algebraische Ungleichungen | de | Mathematics software |
| Interaktive Lernprogramm: 54339 algebraische Ungleichungen | de | Mathematics software |
| Interaktive Lernprogramm: 55235 trigonometrische und hyperbolische Gleichungen. | de | Mathematics software |
| Interaktive Lernprogramm: 65064 trigonometrische und hyperbolische Berechnung-Aufgaben | de | Mathematics software |
| Interaktive Lernprogramm: 65270 algebraische, trigonometrische und hyperbolische Gleichungen. | de | Mathematics software |
| Interaktive Lernprogramm: 70439 algebraische Aufgaben - Ausdrueke, Identitaeten, Gleichungen, Ungleichungen | de | Mathematics software |
| Interaktive Lernprogramm: 7089 hyperbolische Gleichungen | de | Mathematics software |
| Interaktive Lernprogramm: 7456 algebraische Identitaeten | de | Mathematics software |
| Interaktive Lernprogramm: 76333 algebraische, trigonometrische und hyperbolische Berechnung-Aufgaben | de | Mathematics software |
| Interaktive Lernprogramm: 77373 trigonometrische Identitaeten | de | Mathematics software |
| Interaktive Lernprogramm: 84102 trigonometrische Aufgaben - Ausdrueke, Identitaeten, Gleichungen | de | Mathematics software |
| Interaktive Lernprogramm: 9579 Arithmetik Aufgaben | de | Mathematics software |
| Interessante Links zum Thema Mathematik | de | Others links |
| International Mathematical Union | en | Math servers (ftp and gopher) |
| International Education Software | en | Education-related sites |
| International Mathematical Olympiad | en | Olympiads, competitions... |
| International Mathematical Olympiad | fr | Olympiads, competitions... |
| International Reading Association (IRA) | en | Teachers' associations |
| International Society for Technology in Education (ISTE) | en | Teachers' associations |
| International Technology Education Association (ITEA) | en | Teachers' associations |
| Internenes | sp,en | Educational portals |
| Internet Resources: Listing and Reviews | en | Education-related sites |
| Internet-Bibliothek fur Schulmathematik | de | Math courses |
| Internet-Bibliothek fur Schulmathematik | de | Math problems |
| Internet-Bibliothek fur Schulmathematik | de | Sites with math lessons |
| Introduction to Algebra | en | Sites with math tests |
| Introductory Algebra | en | Methodical materials |
| Introduzione alla Logica Fuzzy | it | Methodical materials |
| Introduzione all'MSW-LOGO | it | Sites with math tools |
| Intégrale des maths | fr | Math theory |
| Intégrale des maths | fr | Sites with math lessons |
| IREM de Basse Normandie: | fr | Others links |
| Irish Mathematical Olympiad | en | Olympiads, competitions... |
| Isaac Newton Institute for Mathematical Sciences | en | Math servers (ftp and gopher) |
| I-Search Unit | en | Didactics |
| itMATEMANIA - il portale della matematica | it | Educational portals |