Explore math as it should be with interactive images and articles.

Exponents, Logarithms, and Trees

This interactive demonstrates the basic properties of exponents and logarithms, seen in the equations below, using the structure of a tree.

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Riemann Sum

This interactive demonstrates different Riemann’s Sum methods for approximating the area underneath a continuous curve. Toggle which method is currently being used, drag both the start and end point to change the interval being approximated, and finally input different numbers for n to see how accurate the approximation is.

Unit Circle

This interactive illustrates the connection between the unit circle and the trigonometric functions sine and cosine. Note that the symbol θ represents the current angle and that the radius of the circle is one. Click and drag the control points, press the animate button, or enter an angle into the input box.

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