The AA. take into consideration the utilisation of the Olivetti calculator system including the following hardware: P 652 basic unit microcomputer; paper tape reader LN 20; Editor 4 ST typewriter, for RIA evaluation. For this purpose they have compiled a series of generalized programmes that utilise for the calculation of the standard curve, the logit transform fitted by using a linear regression or a cubic regression and the sigmoidal linear logarithmic curve calculated by cubic regression. Other two programmes are described also for automatic data reduction in the detection of hepatitis associated antibody (anti-Australia antigen) and of normalized serum thyroxine.
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