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Wolfram Math World: Math World: Geometric Construction
Offers an explanation of what a geometric construction is and what some of the tools are that are used for it, including the traditional straightedge and compass. The site explains how to construct various polygons inscribed within a...
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Wolfram Math World: Complex Conjugate
This site contains an explanation of complex conjugates. Then it goes on to list and display charts and formulas. Links are also provided for additional information.
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Wolfram Math World: Math World: Matrix Multiplication
Explains how to perform matrix multiplication, including how to perform products on two block matrices. Also has links to related topics.
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Wolfram Math World: Trigonometric Addition Formulas
This tutorial offers formulas and explanations on trigonometric addition formulas and features an easy way to remember the sine and cosine addition formulas using matrices.
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Wolfram Math World: Math World: Dilation
This MathWorld site gives a visual description of dilation and the different kinds of dilation in a similarity transformation.
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Wolfram Math World: Math World: Vector Sum
Defines vector sum and expresses the notation using algebra. Includes links to sites with related information.
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Wolfram Math World: Surface Area
A good site explaining surface area. Scroll down the page for quick references to surface area formulas for fundamental geometric objects. The site has links to related topics.
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Wolfram Math World: Vector Difference
This site defines vector difference. Includes a formula and links to related topics.
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Wolfram Math World: Math World: Vector Addition
Defines vector addition and gives the algebraic notation for adding vectors. Includes a graphic and links to additional information.
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Wolfram Math World: Math World: Geometric Similarity: Similar
A definition for similar figures, directly similar, and inversely similar figures in Mathematics. Provides pictures to aid understanding.