XLogo is an interpreter for the Logo programming language. License: GNU General Public License v2 Changes: A better 3D viewer with the ability to set four customized lights and the ability to add a fog effect on the main 3D scene. Two new loop structure: primitives forever and foreach. Greek support. Better editor performance. Support for large files (several thousand lines). Better workspace management. Primitives added or modified: eraseprocedure, erasevariable, erasepropertylist, contents, procedures, variables, and propertylists. Two new arithmetic primitives: log and exp. The ability to select a zone on the drawing area using the mouse.

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