Mathematics and Statistics

ENCYCLOPEDIAS

Encyclopedia of Biostatistics / editors in chief, Peter Armitage, Theodore Colton
HEALTH Reference WA 13 .E55 2005

Encyclopaedia of Mathematics / edited by Michiel Hazewinkel
"...precise source of reference to mathematical definitions, concepts, explanations, surveys, examples, terminology and methods...", published by Springer Verlag, but freely available.

Encyclopaedia of Mathematics : an Updated and Annotated Translation of
the Soviet "Mathematical Encyclopaedia"
THODE Reference (lower level) QA 5.M3713 1988

Encyclopedia of Optimization / editors, C.A. Floudas and P.M. Pardalos
THODE Reference (lower level) QA 402.5 .E53 2001

Encyclopedia of Statistical Sciences
THODE Reference (lower level) QA 276.14 .E5 2006

Encyclopedic Dictionary of Mathematics / by the Mathematical Society of Japan ; edited by Nihon Sūgakkai, Iyanaga, Shōkichi, Kawada, Yukiyosi; translation reviewed by Kenneth O. May. 1977
THODE Reference (lower level) QA 5.N513

McGraw-Hill Encyclopedia of Science and Technology
THODE Reference (lower level) Q 121 .M3 2002

On-Line Encyclopedia of Integer Sequences
This site is maintained by Neil J. A. Sloane, AT &T, and contains over 150,000 sequences (as of Nov. 2008). "The entry for each sequence gives the beginning of the sequence, its name or description, any references
or links, any formulae, cross-references to other sequences, the name of the person who submitted it, etc."

PlanetMath Encyclopedia
Articles are written by mathematicians. The encyclopedia can be browsed by MSC classification or searched.

Prentice-Hall Encyclopedia of Mathematics / by Beverly Henderson West
THODE Bookstacks QA 5 .P7 1982
Covers various aspects of mathematics; includes tables of symbols, weights and measures, logarithms and references.

PRIME (Platonic Realms Interactive Mathematics Encyclopedia)
This site is aimed at high-school and university undergraduate students.

VNR Concise Encyclopedia of Mathematics / W. Gellert
THODE Reference (lower level) QA 40 .V18 1989

DICTIONARIES

Concise Oxford Dictionary of Mathematics / Christopher Clapham. 3rd ed., 2005

CRC Concise Encyclopedia of Mathematics / Eric W. Weisstein.
THODE Reference (lower level) QA 5 .W45 1999

Dictionary of Classical and Theoretical Mathematics / edited by Catherine Cavagnaro and William T. Haight
THODE Reference (lower level) QA 5 .D4984 2001

Dictionary of Mathematics / E.J. Borowski and J.M. Borwein. 1989
THODE Reference (lower level) QA 5 .B67

Dictionary of Named Effects and Laws in Chemistry, Physics, and Mathematics / D. W. G. Ballentyne and D. R. Lovett
THODE Reference (lower level) QD 5 .B32 1980

Dictionary of Real Numbers / Jonathan Borwein, Peter Borwein
THODE Reference (lower level) QA 47 .B625 1990

Mathematics Dictionary / James/James
THODE Reference (lower level) QA 5 .J33 1992

Math Forum Internet Mathematics Library : Dictionaries
Hosted at the Drexel University, this site includes links to mathematics dictionaries and other resources.

McGraw-Hill Dictionary of Mathematics 

HANDBOOKS/TABLES

CRC Handbook of Tables for Order Statistics from Inverse Gaussian Distributions with Applications / N. Balakrishnan, William W.S. Chen
THODE Reference (lower level) QA 278.7 .B34 1997

CRC Hhandbook of Tables for the Use of Order Statistics in Estimation / H. Leon Harter, N. Balakrishnan THODE Reference (lower level) QA 278.7 .H36 1996

CRC Standard Mathematical Tables and Formulae
THODE Reference (lower level) QA 47.C2 2003

Digital Library of Mathematical Functions / NIST
A revision of Abramowitz's and Stegun's Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables, 5 chapters of the 38 have so far been completed: ch. 2: Asymptotic Approximations;
ch. 5: Gamma Function; ch. 9: Airy and Related Functions; ch. 27: Functions of Number Theory and ch. 34: 3j, 6j, 9j Symbols.

Handbook of Mathematics / I.N. Bronshtein
THODE Reference (lower level) QA 40 .B713 2004

Handbook of Mathematical Formulas and Integrals
THODE Reference (lower level) QA 47 .J38 2008

Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables

Math2.org / David Manura
Contains basic mathematical tables as well as tables and formulas in algebra, geometry, trigonometry, calculus, statistics, fourier series, transform and more.

Metamath Proof Explorer Home Page
This site offers "over 8,000 completely worked out proofs in logic and
set theory, interconnected with over a million hyperlinked
cross-references." 

Selected Tables in Mathematical Statistics / edited by the Institute of Mathematical Statistics; 11 vols.
THODE Reference (lower level) QA 276.25.H372

Smithsonian Physical Tables

Table of Integrals, Series and Products
THODE Reference (lower level) QA 55 .G6613 2007

Wolfram Alpha: Computational Knowledge Engine
Computes a query and provides factual results (e.g., algebraic, numerical, geometrical computations)  which are derived from its own collection of sources.