Use of a programmable calculator for nutrient analysis.
D000368:Aged; D003201:Computers; D004032:Diet; D004034:Diet Surveys; D004045:Dietary Services; D002149:Energy Intake; D005504:Food Analysis / Q000379:methods*; D006801:Humans; D008297:Male; D009747:Nutritional Physiological Phenomena; D009751:Nutritional Requirements