C.a.R.– Compass and Ruler (also known as Z.u.L., which stands for the German "Zirkel und Lineal") – is a free and open source interactive geometry software that can do geometrical constructions in Euclidean and non-Euclidean geometry. The software is Java based. The author is R. Grothmann of the Catholic University of Eichstätt, Germany. It is licensed under the terms of the GNU General Public License (GPL).
Famous quotes containing the word car:
“When a man opens the car door for his wife, its either a new car or a new wife.”
—Prince Philip (b. 1921)
“The reason American cars dont sell anymore is that they have forgotten how to design the American Dream. What does it matter if you buy a car today or six months from now, because cars are not beautiful. Thats why the American auto industry is in trouble: no design, no desire.”
—Karl Lagerfeld (b. 1938)