New in MathWorld -- February 2003

Friday February 28, 2003

Thursday February 27, 2003

Wednesday February 26, 2003

Tuesday February 25, 2003

Monday February 24, 2003

Sunday February 23, 2003

Anticevian Triangle (modified)
Cevian Triangle (modified)
Contact Triangle (modified)
Excentral Triangle (modified)
Excircles (modified)
Extouch Triangle (modified)
Feuerbach Triangle
Nine-Point Circle (modified)
Triangle Area (modified)

Saturday February 22, 2003

Altitude (modified)
Altitude Triangle (modified)
Anticevian Triangle (modified)
Anticomplementary Triangle (modified)
Circumscribed Triangle
Hofstadter Triangle (modified)
Incentral Triangle (modified)
Inscribed Triangle
Kollros' Theorem (modified)
Local Ring (modified)
Medial Triangle (modified)
Noetherian Module (modified)
Noetherian Ring (modified)
Orthic Axis (modified)
Orthic Triangle (modified)
Orthocenter (modified)
Pascal Matrix
Tangential Triangle (modified)
Unit Ring (modified)

Friday February 21, 2003

Astroid (modified)
Dodecahedron Simum (modified)
Ranunculoid (modified)
Snub Dodecahedron (modified)
Superellipse (modified)

Thursday February 20, 2003

Archimedean Solid (modified)
Artinian Ring (modified)
Circular Segment (modified)
Circumradius (modified)
Cubus Simus
Dodecahedron Simum
Inradius (modified)
Midradius (modified)
Noetherian Ring (modified)
Platonic Solid (modified)
Small Rhombicosidodecahedron (modified)
Snub Cube (modified)
Snub Dodecahedron (modified)

Wednesday February 19, 2003

Cevian (modified)
Cevian Point (modified)
Equal Parallelians Point (modified)
Exmedian (modified)
Exmedian Point (modified)
First Fermat Point (modified)
Kimberling Center (modified)
Octahedron 4-Compound (modified)
Second Fermat Point (modified)

Tuesday February 18, 2003

Astroid (modified)
Cone (modified)
Deltoid (modified)
Diamond (modified)
Hyperbola (modified)
Kimberling Center (modified)
Rectangular Hyperbola (modified)
Triangle Center (modified)
Triangle Center Function (modified)

Monday February 17, 2003

Brianchon Point (modified)
Brocard Diameter (modified)
Triangle Median (modified)
Yff Parabola (modified)

Sunday February 16, 2003

Saturday February 15, 2003

Friday February 14, 2003

Circumconic (modified)
Dodecahedron 2-Compound (modified)
Isogonal Conjugate (modified)
Pi Digits (modified)

Thursday February 13, 2003

Wednesday February 12, 2003

Tuesday February 11, 2003

Cardioid Negative Pedal Curve
Circle Negative Pedal Curve (modified)
Ellipse Negative Pedal Curve
Heaviside Step Function (modified)
Line (modified)
Line Negative Pedal Curve
Negative Pedal Curve (modified)
Parabola Negative Pedal Curve (modified)
Right Strophoid (modified)

Monday February 10, 2003

Boole's Inequality (modified)
Cofactor (modified)
Determinant Expansion by Minors (modified)
Dirichlet Eta Function (modified)
Euler-Mascheroni Constant (modified)
Franklin Graph (modified)
Inclusion-Exclusion Principle (modified)
Klein Bottle (modified)
Minor (modified)
Negative Pedal Curve (modified)
Riemann Hypothesis (modified)
Talbot's Curve (modified)

Sunday February 9, 2003

Saturday February 8, 2003

Pedal Curve (modified)
Talbot's Curve (modified)
Tetrahedron 4-Compound (modified)

Friday February 7, 2003

Thursday February 6, 2003

Wednesday February 5, 2003

Tuesday February 4, 2003

Cube (modified)
de Longchamps Point (modified)
Griffiths' Theorem (modified)
Incenter (modified)
Kimberling Center (modified)
Octahedron (modified)
Tetrahedron (modified)

Monday February 3, 2003

Saturday February 1, 2003

Cube 10-Compound (modified)
Exact Trilinear Coordinates (modified)
Integer Triangle
Line-Line Angle
Point-Line Distance--2-Dimensional (modified)
Point-Point Distance--2-Dimensional (modified)
String Figure (modified)
Triangle Center (modified)

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