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Screen shot of Grammar Editor v1.1b, released December 2003
Grammar Editor is a tool for students learning about context-free grammars. It computes parse trees based on a grammar you define: Just type the grammar into the ``Grammar:'' area, type the sentence you want to parse into the ``Text:'' field, and then click the ``Parse'' button. The program computes and displays the parse tree for the text.
Grammar Editor should run on any platform having Java 1.4. The program is free for your personal use, though you cannot distribute it to others.
If you enjoy Grammar Editor, you might also enjoy Automaton Simulator, Lambda Calculator, and Logisim.