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Wolfram Math World: Hypotenuse
Definition of a hypotenuse including its word origin.
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Wolfram Math World: Euclid's Algorithm
This site from Mathworld.com provides a very detailed description of Euclid's algorithm of common divisors and a method of finding the greatest.
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Wolfram Science World: Strain
Strain is defined and an equation is stated. Examples of material strain are given and the response of materials to strain is discussed. Includes links to related topics.
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Wolfram Science World: Buoyancy Force
This site provides a brief description and explanation of the buoyancy force. Content includes two formulas.
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Wolfram Science World: Robert Hooke (1635 1703)
Provides a short biographical sketch of Robert Hooke and describes his most notable scientific discoveries, contributions, and associations.
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Wolfram Math World: Trapezoidal Rule
This site from MathWorld.com give a formula for a two point trapezoidal approximation for the area under a curve.
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Wolfram Math World: Simpson's Rule
This is a comprehensive site from MathWorld.com explaining Simpson's Rule with links to related topics.
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Wolfram Math World: Improper Integrals
Good site from Mathworld.com explaining Improper Integrals. Includes formulas, examples, and links to related sites.
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Wolfram Science World: The Julian Calendar
This site from Science World under Wolfram Research contains brief information about the Julian Calendar. The information is factual and interesting, and it also contains links for further information on the subjects.
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Wolfram Math World: Radius
This math site from MathWorld.com defines radius in terms of both a circle and a sphere. The site includes a diagram and links to related topics.
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Wolfram Science World: Islamic Calendar
A very brief description of the Islamic calendar, which "has its starting point at the date of the flight of Mohammed from Mecca to Medina." Describes the format of the Islamic year in comparison to the Gregorian calendar.
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Wolfram Science World: International Date Line
This website provides a good general definition of the International Date Line.
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Wolfram Math World: Saddle Point
This site from MathWorld.com gives an example of a saddle point in one dimension along with a definition with links to relative terms and topics.
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Wolfram Math World: Transversal Line
MathWorld offers a brief definition of a transversal line provided by MathWorld.
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Wolfram Math World: Square Matrix
This resource gives a brief definition of a square matrix, click on the highlighted terms for more information on matrices.
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Wolfram Math World: Zero Matrix
This site from MathWorld.com briefly explains what a zero matrix is and contains links to related topics.
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Wolfram Science World: Sir Joseph John Thomson (1856 1940)
This site provides a brief biography of the english physicist J.J. Thomson.
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Wolfram Science World: Vesalius (1514 1564)
A brief and helpful biography. Includes links to famous contemporaries, works, and life information.
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Wolfram Math World: Trigonometric Functions
This site from MathWorld.com is a site full of links to very extensive documentation on the trigonometric functions.
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Wolfram Math World: Green's Theorem
This site from MathWorld is a good site explaining Green's Theorem. The information presented is fairly brief but very helpful, and several formulas and examples are given along with links to additional information.
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Wolfram Math World: Perpendicular Lines
This site explains what perpendicular means geometricly in mathematics, gives reference to orthoginality, and explains notation for perpendicular segments or lines.
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Wolfram Math World: Simple Interest
This math site explains and defines the concept of "simple interest" and gives a formula for finding this value in terms of time and rate.
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Wolfram Math World: Composition
A definition of composite functions and an investigation of their use in combinatorial compositions.