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Wolfram Math World: Minimum
This site from Mathworld.com defines the minimum of a function and set.
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Wolfram Math World: Extremum Test
With this site one may understand how to test a point in a function for a relative minimum, maximum, saddle point, or none of these, by taking derivatives of the function. Explains and performs what is known as the "Extremum Test."
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Wolfram Math World: Leibniz Criterion
This page states the Leibniz Criterion, or the alternating series test that determines whether or not an alternating series converges.
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Wolfram Math World: Antilogarithm
Very short anitlogarithm page with definition and links to related topics. This MathWorld site is most useful as a reference rather than a site to learn.
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Wolfram Math World: De Moivre's Identity
This MathWorld page states de Moivre's Identity.
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Wolfram Math World: Archimedes' Recurrence Formula
This page from Mathworld.com presents illustrations and equations involving Archimedes' Recurrence Formula.
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Wolfram Math World: Kampyle of Eudoxus
This page gives an illustration, equations, and short description of the Kampyle of Eudoxus, a type of curve studied by Eudoxus in relation to the problem of cube duplication.
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Wolfram Math World: Cissoid of Diocles Pedal Curve
Short site explaining the Cissoid of Diocles Pedal Curve. The site has links to related topics, and includes a graph and a brief explanation.
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Wolfram Science World: Daniel Bernoulli
This site from ScienceWorld provides a brief biography of Daniel Bernoulli's major scientific accomplishments, including Bernoulli's principle, vibrating strings, ocean tides, and the kinetic theory of gases. Links are included to...
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Wolfram Math World: Altitude
This site from Math World describes the altitude of a triangle, and shows how to find these altitudes using the parameter and positions of the vertexes and angles of the triangle. The site gives other interesting formulas involving the...
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Wolfram Math World: Diameter
This site shows what a diameter is, how to find one on a circle or a sphere, and provides the formula to find diameter of a circle or "the great circle of a sphere.
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Wolfram Math World: Spearman Rank Correlation Coefficient
This page gives a description of the Spearman Rank Correlation Coefficient, which is an approximation to the exact correlation coefficient, r. It is somewhat easier to compute than the exact correlation coefficient. Also provides links...
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Wolfram Mathworld: Elliptic Geometry
MathWorld offers a brief definition of elliptic geometry and including a brief discussion of its relationship to Euclidean geometry, with links to other related definitions.
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Wolfram Math World: Absolute Convergence
This page briefly discusses absolute convergence as it relates to series. Also provides some properties of absolutely convergent series.
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Wolfram Math World: Conditional Convergence
This page briefly discusses conditional convergence as it pertains to series. Also provides some links to further information about various aspects of series.
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Wolfram Math World: Dodecagon
This MathWorld site discusses dodecagons, a 12 sided polygon, the site gives formulas, yet variables are not defined well, to find the meanings of these variables go to the regular polygon link. [Requires Java.]
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Wolfram Math World: Heptagon
MathWorld offers general information and definition of the heptagon, a seven sided polygon.
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Wolfram Math World: Fractals
This page briefly illustrates and discusses fractals, which are closely linked to the concept of iteration (repitition.) Site links to well known pictured fractals.
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Wolfram Math World: Apothem
MathWorld offers a definition of the apothem of a circle as well as an illustration is provided on this page. An equation is also provided to calculate the apothem of a circle given the radius and the sagitta.
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Wolfram Math World: Z Axis
Contains a graphical representation of the z-axis in a 3D cartesian coordinate plane and expresses it's normal orientation. Site has related links.
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Wolfram Science World: Hubble, Edwin (1889 1953)
This site from ScienceWorld contains a short but factual biographical sketch of the life of the American astronomer, Edwin Hubble. Links are provided throughout for additional information on related subjects.
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Wolfram Math World: Eccentricity
This site explains eccentricity, the quantity defined by a conic section to determine its type of conic section. Has links to related topics.
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Wolfram Math World: Integrating Factor
This math site defines integrating factors and has related links.
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Wolfram Math World: First Order Ordinary Differential Equation
This math site defines a first order differential equation. Includes information on how to solve an equation of this form and also how to find the roots.