New in MathWorld -- February 2004

Sunday February 29, 2004

Baillie-PSW Primality Test
Complex Infinity (modified)
Explicit Formula
First Morley Triangle (modified)
Indeterminate (modified)
Mangoldt Function (modified)
Morley's Triangle (modified)
Newton's Iteration (modified)
Pythagoras's Constant (modified)
Rabin-Miller Strong Pseudoprime Test (modified)
Square Root (modified)
Square Root Inequality (modified)
Strong Pseudoprime (modified)
Wald's Equation (modified)
Wolfram's Iteration

Saturday February 28, 2004

Fermat's Little Theorem (modified)

Friday February 27, 2004

Archimedean Solid (modified)
Distinct Prime Factors (modified)
Near-Square Prime (modified)
Rule 30 (modified)

Thursday February 26, 2004

Wednesday February 25, 2004

Tuesday February 24, 2004

Bernoulli Number (modified)
Eisenstein Integer (modified)
Eisenstein Prime (modified)
Graham's Number (modified)
Hénon-Heiles Equation (modified)
Imaginary Quadratic Field (modified)
k-ary Divisor (modified)
Prime Gaps (modified)
Quaternion (modified)
Qubic (modified)
Riesel Number (modified)
Second-Order Ordinary Differential Equation Second Solution (modified)
Unit (modified)

Monday February 23, 2004

Composition (modified)
Divisor Function (modified)
Hypotraceable Graph (modified)
Ore Graph (modified)
Spherical Polyhedron (modified)
Thomassen Graphs (modified)
Tower of Hanoi (modified)
Union-Closed Sets Conjecture (modified)
Unitary Divisor Function (modified)

Sunday February 22, 2004

Bernoulli Number (modified)
Go-Moku
Gomoku
Hypergeometric Function (modified)
Naughts and Crosses
Numerical Differentiation (modified)
Qubic
Rule 30 (modified)
Second-Order Ordinary Differential Equation (modified)
Second-Order Ordinary Differential Equation Second Solution (modified)
Six Circles Theorem (modified)
Square Root (modified)
Tic-Tac-Toe (modified)
Variance (modified)
Walsh Function (modified)

Saturday February 21, 2004

Einstein Field Equations (modified)
Pancake Sorting (modified)
Zero (modified)

Friday February 20, 2004

Almost Integer (modified)
Corkscrew Surface (modified)
Cylinder (modified)
Euler Characteristic (modified)
Möbius Strip (modified)
Near-Square Prime (modified)
Nowhere Dense (modified)
Prime Gaps (modified)
Projective Plane (modified)
Random Close Packing (modified)
Sphere Packing (modified)
Surface with Boundary (modified)
Trigonometric Power Formulas (modified)
Twisted Cylinder
Twisted Sphere (modified)

Thursday February 19, 2004

Lambert Conformal Conic Projection (modified)
Map Projection (modified)
Miller Cylindrical Projection (modified)
Polyconic Projection (modified)
Random Permutation (modified)
Smarandache Function (modified)
van der Grinten Projection (modified)
Vertical Perspective Projection (modified)

Wednesday February 18, 2004

Binary Tree (modified)
Cassini Projection (modified)
Eckert IV Projection (modified)
Eckert VI Projection (modified)
Gnomonic Projection (modified)
Hamilton Circuit
Hamilton Cycle
Hamilton Graph
Hamiltonian Cycle (modified)
Hamiltonian Graph (modified)
Hamiltonian Path (modified)
Hamilton Path
Hammer-Aitoff Equal-Area Projection (modified)
Hammer Projection
Lambert Azimuthal Equal-Area Projection (modified)
Mercator Projection (modified)
Miller Equidistant Projection (modified)
Mollweide Projection (modified)
Orthographic Projection (modified)
Prime Difference Function (modified)
Prime Gaps (modified)
Prime Knot (modified)
Sinusoidal Projection (modified)
Stereographic Projection (modified)
Trivalent Tree

Tuesday February 17, 2004

Monday February 16, 2004

Cylindrical Equal-Area Projection (modified)
Gall Orthographic Projection (modified)
Lambert Cylindrical Equal-Area Projection (modified)
Peters Projection (modified)
Rational Amicable Pair (modified)
Tristan Edwards Projection (modified)

Sunday February 15, 2004

Albers Equal-Area Conic Projection (modified)
Asterisk (modified)
Balthasart Projection (modified)
Behrmann Cylindrical Equal-Area Projection (modified)
Bonne Projection (modified)
Caret (modified)
Cut Elimination Theorem
Equirectangular Projection (modified)
Exponent (modified)
Exponentiation
Fields Medal (modified)
NonCommutativeMultiply
Power (modified)
Racah Coefficient
Racah W-Coefficient (modified)
Rational Amicable Pair (modified)
Times (modified)
Wigner 9j-Symbol (modified)
Wigner Coefficient

Saturday February 14, 2004

Heart Curve (modified)
Heart Surface (modified)
Lemniscate (modified)
Prime Gaps (modified)
Triangular Inequalities
Wigner 3j-Symbol (modified)
Wigner 6j-Symbol (modified)

Friday February 13, 2004

Thursday February 12, 2004

Wednesday February 11, 2004

Tuesday February 10, 2004

Bohemian Dome (modified)

Monday February 9, 2004

Cotangent (modified)
Golden Ratio (modified)
Gronwall's Theorem (modified)
Hexagram (modified)
Magic Hexagram
Prime Number Theorem (modified)
Ramanujan Continued Fractions (modified)
Robin's Theorem (modified)
Viviani's Curve (modified)
Viviani's Window

Sunday February 8, 2004

Saturday February 7, 2004

Circle (modified)
Elliptic Curve Factorization Method (modified)
Taylor Series (modified)
Variance (modified)

Friday February 6, 2004

Mock Theta Function (modified)
Point-Point Distance--2-Dimensional (modified)
Point-Point Distance--3-Dimensional (modified)

Thursday February 5, 2004

Adjoint Matrix (modified)
Conjugate Transpose (modified)
Point-Point Distance--2-Dimensional (modified)
Point-Point Distance--3-Dimensional (modified)
Sphere Point-Point Picking

Wednesday February 4, 2004

Normal Factor
Pythagorean Quadruple (modified)

Tuesday February 3, 2004

Stirling's Series (modified)

Sunday February 1, 2004

Cube 2-Compound (modified)
Cube-Octahedron Compound (modified)
Cuboctahedron (modified)
Deltoidal Icositetrahedron (modified)
Dodecahedron (modified)
Elongated Square Dipyramid (modified)
Exponential Integral (modified)
Icosahedron (modified)
Möbius Strip (modified)
Motzkin Number (modified)
Necker Cube (modified)
Octahedron 3-Compound (modified)
Penrose Stairway (modified)
Pentagonal Dipyramid (modified)
Rhombic Dodecahedron (modified)
Schouten's Staircase
Schroeder Stairs (modified)
Small Rhombicuboctahedron (modified)
Small Stellated Dodecahedron (modified)
Small Triakis Octahedron (modified)
Spherical Mirror
Spherical Spiral (modified)
Stella Octangula (modified)
Tetrahedron 5-Compound (modified)
Transcendental Function (modified)
Trapezohedron (modified)
Trefoil Knot (modified)
Unitary Amicable Pair (modified)
Unitary Divisor Function (modified)
Wallace-Bolyai-Gerwien Theorem (modified)
Watson's Identities (modified)
Watson's Triple Integrals (modified)

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