This paper describes a biomedical computer program for computing blood level data after intravenous administration of the drug. This program may be utilized to determine pharmacokinetic parameters like CI, λ1, Cz, λz, K12, K21, K10, Vc and CL. The program is written in BASIC language for minicomputer Sharp PC 1500. However, it can be utilized with minor adjustment to a variety of computers working with this language.