New in MathWorld -- February 2006

Tuesday February 28, 2006

Riemann Zeta Function (modified)

Monday February 27, 2006

Complete Elliptic Integral of the First Kind (modified)
Complete Elliptic Integral of the Second Kind (modified)
Definite Integral (modified)
Tupper's Self-Referential Formula

Sunday February 26, 2006

Harmonic Number (modified)
Inverse Sine (modified)
Multivariate Zeta Function (modified)
Natural Logarithm (modified)
Salinon (modified)

Saturday February 25, 2006

Apéry's Constant (modified)
Catalan's Constant (modified)
Inverse Tangent (modified)

Friday February 24, 2006

Greatest Common Divisor (modified)

Thursday February 23, 2006

Constant (modified)
Delian Constant (modified)
Kronecker Sum
Laurent Series (modified)

Wednesday February 22, 2006

Lune (modified)
Multiple Zeta Value
Negabinary (modified)
Negadecimal (modified)

Tuesday February 21, 2006

Base (modified)
BBP-Type Formula (modified)
Digamma Function (modified)
Negadecimal (modified)
Unit Square Integral (modified)

Monday February 20, 2006

Bernoulli Number (modified)
Dirichlet Beta Function (modified)
Dirichlet Eta Function (modified)
Field Characteristic Exponent
Hat (modified)
j-Function (modified)
Riemann Zeta Function (modified)
Somos's Quadratic Recurrence Constant (modified)
Unit Square Integral (modified)

Sunday February 19, 2006

Saturday February 18, 2006

BBP-Type Formula (modified)
Hermite Number (modified)
Hermite Polynomial (modified)
Inverse Sine (modified)
Pi Formulas (modified)

Friday February 17, 2006

Cadlag Function
Cross Polytope (modified)
Dirichlet Problem (modified)
Hat (modified)
Johnson-Yff Circles (modified)
Kakeya Needle Problem (modified)
Prosthaphaeresis Formulas (modified)
Simpson's Formulas (modified)
Spherical Excess (modified)
Tetrahedron (modified)
TrigFactor
Trigonometric Product Formulas (modified)
TrigReduce
Werner Formulas (modified)

Thursday February 16, 2006

Arithmetic-Geometric Mean (modified)
Endogenous Variable (modified)
Exogenous Variable (modified)
Integer Sequence Primes (modified)
Jackson's Difference Fan (modified)
Lagrange Multiplier (modified)
Logistic Map (modified)
Mastermind (modified)
Mean (modified)
Nested Radical (modified)
Silver Constant (modified)
Somos's Quadratic Recurrence Constant (modified)
Tetradic Number (modified)

Wednesday February 15, 2006

Tuesday February 14, 2006

Absolute Value (modified)
Dirichlet L-Series (modified)
Nested Radical (modified)
Plastic Constant (modified)
Square Point Picking (modified)
Triangle Point Picking (modified)
Unit Square Integral (modified)

Monday February 13, 2006

Central Circle (modified)
Hypercube Line Picking (modified)
Johnson's Theorem (modified)
Johnson Triangle (modified)
Johnson Triangle Circumcircle
Kobon Triangle (modified)
Pentagonal Icositetrahedron (modified)
Snub Cube (modified)
Snub Cube-Pentagonal Icositetrahedron Compound (modified)
Unit Square Integral (modified)

Sunday February 12, 2006

Burnside Problem (modified)
Dedekind Eta Function (modified)
Hard Hexagon Entropy Constant (modified)
Plastic Constant (modified)
Tribonacci Number (modified)

Saturday February 11, 2006

Burnside Problem (modified)

Friday February 10, 2006

Cube 5-Compound (modified)
Elliptic Lambda Function (modified)
Gram Matrix (modified)
Inverse Nome (modified)
Macdonald's Plane Partition Conjecture (modified)
Monoid (modified)
Prime-Generating Polynomial (modified)
Rhombic Triacontahedron Stellations (modified)
Somos's Quadratic Recurrence Constant (modified)
Square Pyramid (modified)
Taxicab Number (modified)

Thursday February 9, 2006

Wednesday February 8, 2006

Airy Functions (modified)
Integer Sequence Primes (modified)
Jacobi Theta Functions (modified)
Kobon Triangle (modified)
Legendre Polynomial (modified)
Logarithmic Distribution (modified)
Maxwell Distribution (modified)
Primefree Sequence (modified)
Sigma (modified)
Tautology (modified)
Variance (modified)

Tuesday February 7, 2006

Almost Prime (modified)
CoprimeQ
Hard Hexagon Entropy Constant (modified)
Inverse Nome (modified)
Johnson Circles (modified)
Maxwell Distribution (modified)
Semiprime (modified)

Monday February 6, 2006

Airy Functions (modified)
Inverse Nome (modified)
Nome (modified)
Radian (modified)
T-Integration (modified)
Tunable Numerical Integration

Sunday February 5, 2006

Glaisher-Kinkelin Constant (modified)
Johnson Triangle (modified)
Trigamma Function (modified)
Vardi's Integral (modified)

Saturday February 4, 2006

Inverse Secant (modified)

Friday February 3, 2006

Constructive Proof
Futile Game (modified)
Glaisher-Kinkelin Constant (modified)
Hardy-Littlewood Conjectures (modified)
Johnson Circles (modified)
Johnson Triangle (modified)
Log Gamma Function (modified)
Longest Increasing Subsequence (modified)
Nonregular Number
Statistics (modified)
Tic-Tac-Toe (modified)

Thursday February 2, 2006

Cabtaxi Number
Catalan's Constant (modified)
Cotangent (modified)
Cyclotomic Polynomial (modified)
Multichoose (modified)
Ring (modified)
Totient Function (modified)

Wednesday February 1, 2006

Combinatorial Game Theory
Covariant Tensor (modified)
Epitrochoid (modified)
Hackenbush
Hypotrochoid (modified)
Peterson-Mainardi-Codazzi Equations (modified)
Porism (modified)
Reciprocal (modified)
Surreal Number (modified)

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