A question type that is answered by drawing a structure in the ChemDoodle Web Sketcher. The drawing is converted to InChI and compared to the given answer(s).
The teacher can give multiple correct or semi-correct answers.
Requires OpenBabel to be installed (in /usr/local/bin/obabel or else the code needs amending in question.php).
Latest release: Monday, November 10, 2014, 6:18 PM