Math Libraries, Dictionaries, Etc.
Internet Mathematics Library – based at the Math Forum
World of Mathematics – the math encyclopedia
Mathematical Quotation Server – a collection of quotes about math
Dictionary of Units – a comprehensive collection of units of measurement and conversion factors
ThinkQuest Library: Math – list of student generated web sites
General Resources
Ask Dr. Math – questions are answered on all levels of mathematics
Math2.org – math reference tables
Calculators Online – a comprehensive list of calculators, from auto loans to weather, and everything in between
Well-known Constants – a list of well-known constants like pi, e, etc., and how they came about
Fibonacci Numbers – an excellent resource for Fibonacci numbers and the Golden Section
Figure This! – middle school math challenges
Mudd Math Fun Facts – a collection of fun facts about math geared for entry year college level
Roman Numeral & Date Conversion – with a Roman numeral calculator
Algebra
Purple Math – A comprehensive set of modules which contain lessons that give “practical tips, hints, and examples, and point out common mistakes. They are cross-referenced to each other, to help you find related material.”
QuickMath – “QuickMath is an automated service for answering common math problems over the internet. Think of it as an online calculator that solves equations and does all sorts of algebra and calculus problems—instantly and automatically!”
Manipula Conic Sections – java applets that demonstrate properties of the conic sections
Geometry
Manipula Geometry – java applets that demonstrate properties of geometry
Trigonometry
Manipula Trig – java applets that demonstrate the trigonometric functions
Calculus
Manipula Calculus – java applets that demonstrate the calculus concepts
QuickMath – “QuickMath is an automated service for answering common math problems over the internet. Think of it as an online calculator that solves equations and does all sorts of algebra and calculus problems—instantly and automatically!”
Calc101.com – “automatic calculus derivatives and integrals, with each step explained”
The Integrator – do symbolic integration online
Statistics
Rice Virtual Lab in Statistics – online statistics book, simulations & demonstrations, case studies with real data, and an analysis lab
Cool Sites for Math
Exploratorium: Cool Sites – Top 10 cool math & science sites on the Internet. List is updated periodically.
Knot a Braid of Links – “a rough guide to math on the web”
New Scientist: Web Links – cool math & science sites on the Internet
Read about Math
MathTrek – weekly online math column by Ivars Peterson
MAA Online Columns – various articles about math
Plus Magazine – an Internet magazine which aims to introduce readers to the beauty and the practical applications of mathematics.
Eulcid’s Elements – online English translation of the ancient Greek textbook that started it all.
Flatland – online version of Edwin A. Abbott classic about a square living in a two-dimension land and being visited by a sphere.
Philosophy & Fun of Algebra – online version by Mary Everest Boole, written in 1909. (Read about her and the book.)
Chaos Hypertextbook – online textbook about fractals and chaos theory.
The Cornell University Library Historical Mathematics Monographs – a collection of selected monographs with expired copyrights chosen from the mathematics field.
Math History
MacTutor History of Math – best resource of math history on the Internet
Archimedes – dedicated to the ancient genius
Galileo Project – excellent source of information on his life and work
School of Pythagoras – The work of Pythagoras provides a starting point for ongoing explorations of the mysteries of number and proportion.
Earliest Uses of Various Mathematical Symbols – the names of the individuals who first used various common mathematical symbols, and the dates the symbols first appeared
Earliest Known Uses of Some of the Words of Mathematics – the first uses of various words used in mathematics
Women Mathematicans – biographies and numerous achievements of women in the field of mathematics