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Electromagnetic Spectrum (frequency chart)	Physics	This visual graphic can be modified to add labels describing different frequencies.	View
Excircle Triangle Properties	Geometry	An excircle of the triangle is a circle lying outside the triangle, tangent to one of its sides and tangent to the extensions of the other two. Diagram displays one of the three triangles tangent to the circle. The center of an excircle is the intersection of the internal bisector of one angle (at vertex	View
Fahrenheit and Celsius	Linear Equations	Use a linear function to convert temperatures.	View
Focus and Directrix of Parabola	Functions	A parabola is moves in a plane where its distance from a fixed point known as a focus is always equal to the distance from a fixed straight line known as directrix.	View
Function Average	Calculus	Function average is y value where the area between a and b is equal to the area under the curve.	View
Golden Mean Measurement	Number Theory	Use the Golden Mean to find natural relationships in art, architecture, and nature.	View
Incenter Theorem	Geometry	The incenter of a triangle is the point of intersection of all the three interior angle bisectors of the triangle.	View
Infinite Geometric Series of -1	Sequences and Series	Graph describes the sum of the infinite geometric series of -1,	View
Inscribed Triangle Angles	Geometry	Angles formed by an inscribed triangle and a tangent line from one of the triangle points form distinct relationships.	View
Integrals and Riemann Sums	Calculus	Integral is the continuous analog of a sum, which is used to calculate areas. This tool compares integrals with Riemann sums.	View