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:
“Freedom is not an ideal, it is not even a protection, if it means nothing more than freedom to stagnate, to live without dreams, to have no greater aim than a second car and another television set.”
—Adlai Stevenson (1900–1965)
“When a man opens the car door for his wife, it’s either a new car or a new wife.”
—Prince Philip (b. 1921)