The aim of the project was to develop a computer The aim of the project was to develop a computerprogram to attain the level of performance of an program to attain the level of performance of anexperienced human chemist. Using heuristics in the experienced human chemist. Using heuristics in theform of high-quality specific quality specific rules, rules-of-thumb , theDENDRAL team proved that DENDRAL team proved that computers could equal an computers could equal anexpert in narrow, expert in narrow, well defined, problem areas , problem areas.