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Geogebra files

Most of my Geogebra files are in textbooks that I have put together for my classes, but here are a few
(the applets may take a few seconds to load).

Geometry:	Calculus:
Orthic triangle and its incircle Excircles Pappus chains Lines in a triangle (centres of a triangle) Points on a line (place the 3 given points) Equation of a line (identifying gradient and y-intercept) Equation of a line (drawing a line using the gradient and y-intercept)	Differentiation by first principles Differentiation Sketch the derivative
Statistics	Trigonometry
Least squares regression	Introducing radian measure