Abstract: A novel hand held individually customized interactive integrated circuit device for nutrition and exercise management. Featuring built in Random Access Memory (RAM) Storage of extensive food lists with associated caloric and fat contents. The device also incorporates RAM storage of exercises with associated activity caloric values or rates. The basic unit utilizes the individual's personal characteristics such as sex, age, weight, height, frame size, life style and goals with programmed calculations to derive optimum suggested weight, metabolic rate, daily caloric/fat intake targets, exercise targets and exercise/daily calorie burning rates. The personalized hand held calorie computer tracks daily and historical individual caloric input/output, fat input, and weight which can be viewed in the form of charts and graphs.