## Math Libraries, Dictionaries, Etc.

Internet Mathematics Library – based at the Math Forum

World of Mathematics – *the* math encyclopedia

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

Online Math Calculators – a list of about 50 math calculators online ranging from useful to fun, i.e. date calculations, mortgage, wind chill, age in dog years.

Online Calculators – "The Ultimate Collection of Online Calculators"

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

Powers of Ten – ranging from microscopic to cosmic, each step changes by 10

Electric Math – the numbers and math behind our everyday appliances

## Algebra

GeoGebra – a sandbox-type Java app that you to dynamically manipulate objects connecting geometry, algebra, tables, graphing, statistics and calculus.

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

Graph Wars – a game in which you must hit your enemies using mathematical functions

Complex Numbers – A short introduction to the deeper realms of imaginary and complex numbers. Requires java.

## Geometry

Great Geometry Resources Grades 1-7 – long list of resources for geometry, primarily in younger grades but with plenty of resources for high school too

Math Open Reference – reference with some interactive apps for many terms in geometry, analytical geometry, and trignometry

Manipula Geometry – java applets that demonstrate properties of geometry

GeoGebra – a sandbox-type Java app that you to dynamically manipulate objects connecting geometry, algebra, tables, graphing, statistics and calculus.

Compass Geometry – Constructions using a compass. Requires java.

## Trigonometry

A Short Course in Trigonometry – requires java

Manipula Trig – java applets that demonstrate the trigonometric functions

PhEDT - Math Interactive Simulations – many tools and simulations for math and science

## Calculus

Touchmathematics - Derivatives – interactive graphs connecting f, f', f" with signs and concavity

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

PhEDT - Math Interactive Simulations – many tools and simulations for math and science

The Joy of Statistics – 1-hour, online video by Hans Rosling about the role of statistics in the modern world

Gapminder – a plethora of world social data and a neat interactive scatterplot app that helps explore data and history

Touchmathematics - Trigonometry – interactive graph connecting unit circle with graph of all six trig functions

## 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”

## Read about Math

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.

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

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

## More Math Links

Mathematics 101 – a very useful list of 101 resources for math teachers

High School and SAT Math Prep – a collection of resources to help students prepare for the ACT & SAT tests

POP Mathematics – miscellaneous and hodgepodge collection of math resources