# Mathematics

This page:

**Mathematics, generally |
Calculators |
Arithmetic |
Statistics**

## Mathematics, generally

- Encyclopedia of Mathematics
- Gomath.com - Algebra and geometry tutorials, math games
- Gary and Kenny Felder's Math and Physics Help
- Math Archives
- Math Forum - For all ages and branches of mathematics
- Math Guide - Large directory
- MathWorld - "A comprehensive and interactive mathematics encyclopedia" (Wolfram)
- arXiv - Preprints in math and computer science (Cornell and Los Alamos National Laboratory)
- Directory of Mathematics Preprint and E-print Servers (American Mathematical Society)
- Euler - Index of mathematical literature
- Project Euclid - Index to open access mathematical literature
- Basic Library List - Recommended books (Mathematical Association of America)

### Preprints and Indexes:

### Math Bibliography:

## Calculators

See also

- Wolfram Alpha - "Enter what you want to calculate or know about"
- Wolfram Alpha Widgets - "Instantly add live computational knowledge to your blog or website"
- 32 Tricks You Can Do with Wolfram Alpha, the Most Useful Site in the History of the Internet (Business Insider)
- Calculator.com
- Desmos Graphing Calculator
- Free Online Calculators
- Martindale's Calculators On-Line Center - Links to all kinds of calculators, for science and technology, statistics, daily life
- PhotoMath - "Scan math problems for an instant result"
- Roman Numeral and Date Conversion

## Arithmetic

- Curious and Useful Math - Tricks for multiplying, dividing, squaring, calculating dates, etc. [CuriousMath.com]

## Statistics and Probability

See also

- Demography and Statistics for actual numbers about the U.S. and the world

- Statistical Science Web
- StatLib - Data and software
- Statistics Every Writer Should Know - Basics of stats for anyone, really
- Book of Odds - Probability for all kinds of things
- Flowing Data - A blog about how best to use graphs

How to do stats