New in MathWorld -- February 2005

Monday February 28, 2005

Mersenne Number (modified)
Moduli Space (modified)
Nonparametric Estimation (modified)

Sunday February 27, 2005

Erfc (modified)
Golomb Ruler (modified)
Ham Sandwich Theorem (modified)
Nine-Point Center (modified)
Orthocenter (modified)
Snub Cube (modified)
Triangle Centroid (modified)
Tribonacci Constant
Tribonacci Number (modified)
Twistor Correspondence (modified)
van der Pol Equation (modified)

Saturday February 26, 2005

42 (modified)
Central Trinomial Coefficient (modified)
Integer Sequence Primes (modified)
Mersenne Prime (modified)
Primality Test (modified)
Prime Number (modified)
Tetrahedral Number (modified)
Titanic Prime (modified)
Trinomial Coefficient (modified)

Friday February 25, 2005

Erfc (modified)
Hypercube Line Picking (modified)
Reflection Triangle (modified)
Simulated Annealing (modified)

Thursday February 24, 2005

Central Binomial Coefficient (modified)
Central Trinomial Coefficient (modified)
Erf (modified)
Prime Arithmetic Progression (modified)
Ulam Sequence (modified)

Wednesday February 23, 2005

Tuesday February 22, 2005

Congruence (modified)
Harmonic Series (modified)
Mod (modified)
Prime Number (modified)
Quotient (modified)
Rational Number (modified)

Monday February 21, 2005

i (modified)

Sunday February 20, 2005

Saturday February 19, 2005

Pompeiu's Theorem
Trinomial Triangle (modified)

Friday February 18, 2005

42 (modified)
Algebraic Topology (modified)
Combinatorial Topology (modified)
Echelon Form (modified)
Goldbach Conjecture (modified)
i (modified)
Integer Sequence Primes (modified)
Mersenne Number (modified)
Mersenne Prime (modified)
Riemann Zeta Function Zeros (modified)
Topology (modified)
Trinomial Coefficient (modified)

Thursday February 17, 2005

Aleph-0 (modified)
Aleph-Null
Banach Space (modified)
Contour Integral (modified)
Cosecant (modified)
Cotangent (modified)
Decahedron (modified)
Dihedral Group (modified)
Echelon Form (modified)
Eigenfunction (modified)
Group Upper Central Series
McCarthy 91-Function (modified)
Nilpotent Group (modified)
Pole (modified)
Real Line (modified)
Ring (modified)
Secant (modified)
Sphere (modified)
Spherical Harmonic (modified)
Topological Space (modified)
Topology (modified)
Unit Interval
Zorn's Lemma (modified)

Wednesday February 16, 2005

Armstrong Number (modified)
Bernoulli Polynomial (modified)
Darboux Cubic (modified)
Narcissistic Number (modified)
Oblate Spheroid (modified)
Spheroid (modified)
Wilson's Theorem (modified)

Tuesday February 15, 2005

Apex
Decahedron (modified)
Dodecahedron (modified)
Echelon Form
Ellipsoid (modified)
Enneahedron (modified)
Icositetrahedron (modified)
Math (modified)
Maths (modified)
Nonahedron (modified)
Octahedron (modified)
Sum of Prime Factors (modified)
Tetradecahedron (modified)

Monday February 14, 2005

Hofstadter Ellipse (modified)
Simple Group (modified)

Saturday February 12, 2005

Integer Sequence Primes (modified)

Friday February 11, 2005

Thursday February 10, 2005

Wednesday February 9, 2005

Tuesday February 8, 2005

Aubel's Theorem (modified)
Central Line (modified)
Cube Division by Planes (modified)
Hexyl Triangle (modified)
Lucas Central Triangle (modified)
MacBeath Circle (modified)
Matchstick Graph (modified)
Orthic Inconic (modified)
Principle of Uniform Boundedness (modified)
Rabin's Compression Theorem (modified)
Reflection Triangle (modified)
Riemann Zeta Function (modified)
Square Division by Lines (modified)
Unicursal Circuit (modified)
Uniform Boundedness Principle (modified)
van Aubel Line
van Aubel's Theorem (modified)

Monday February 7, 2005

Sunday February 6, 2005

Antiorthic Axis (modified)
Brocard Axis (modified)
Cube Line Picking (modified)
Cube Triangle Picking (modified)
Disk Triangle Picking (modified)
Euler Line (modified)
Fermat Axis (modified)
Gergonne Line (modified)
Hexagon Triangle Picking (modified)
Line at Infinity (modified)
Nagel Line (modified)
Pentagon Triangle Picking
Soddy Line (modified)
Tetrahedron Line Picking (modified)
Tetrahedron Tetrahedron Picking (modified)
Tetrahedron Triangle Picking (modified)
Triangle Line Picking (modified)
Triangle Triangle Picking (modified)
Yiu Circles (modified)

Saturday February 5, 2005

Almost Integer (modified)

Friday February 4, 2005

Thursday February 3, 2005

Barker Code (modified)
Droz-Farny Theorem (modified)
Euler Number (modified)
Isogonal Transform
Isotomic Conjugate (modified)
Isotomic Transform
Isotomic Transversal (modified)
Pisot Number (modified)
Pisot-Vijayaraghavan Constant (modified)
Polynomial Factor Theorem
Reflection Circle (modified)
Square Triangle Picking (modified)

Wednesday February 2, 2005

Tuesday February 1, 2005

Folding (modified)
Reflection Circle (modified)
Reflection Triangle (modified)

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