This applet helps you visualize piecewise functions. Provide the left and right side rules (functions), and the place where the rule changes. It does the rest.
congruency of triangles
Exploring polygons formed by midpoints of sides of 3, 4, 6-gon
Unknown Concurrency #1
Teorema lui Clairault.
Oppgave 4 ROM: EDB1
Lots of lines!
Piecewise Function Demonstration
Product of two piecewise functions