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The use of gamma-ray spectrometry as an analytical tool has rapidly increased. Industries such as energy, medicine, mining, and construction are using this nondestructive method for monitoring processes, testing for environmental contamination, preparing diagnostic and therapeutic radiopharmaceuticals, and observing uptake and elimination rates of various radioactive elements in mammals. Two computer software programs, LSFIT. BAS that helps Ge or GeLi spectrometrists obtain a better calibration curve, and CURVE.BAS that allows the use of many additional fitting algorithms, were written. These curves are available in compiled VAX basic ready to run on any VAX coomputer, they do not run on a PC as they are written. This public-domain software is available from the National Energy Software Center at Argonne, IL. The algorithms for linear, exponential, power, least-squares-polynomial (LSP), and spline curve-fits were taken from the literature (Bevington 1969; Brownlee 1965). This report is to assist in the use of these fitting subroutines.