Timely ideas and information, with daily updates. Complete information about thousands of teaching materials for K-12 math and science. Thousands of web sites for educators and students. The answers to this question and others were the impetus for an algebra project for one of my classes.
Surrealism involves transformations of points using mathematical formulas.
After spending entirely too much time creating one distortion with the aid of pencil and paper for just one picture graph, I sought a better solution. Even with the aid of a calculator, the process of transforming each point was monumental and inhibiting. Instead of an exciting motivational endeavor, I had created one huge, tedious exercise. I had been working with spreadsheets to do lines of best fit and to explore problems from a discrete point of view. I experienced after discovering the freedom the technology permitted for the project.