Pfizer CRC-1 Coronary Risk Calculator for Hypertensive Patients ("Calculatrice de Risque Coronarien Chez l'Hypertendu"). Vintage 1980s electronic LCD calculator made in Japan for Laboratoires Pfizer France. Features specialized medical input keys for cardiovascular risk factors (gender, smoking status, test results, HDL, etc.) alongside standard calculator functions. Includes velcro strips on back. Untested but appears complete and in good cosmetic condition with minor wear on faceplate.