A systematic process consisting of an ordered sequence of steps, each step depending on the outcome of the previous one. In clinical medicine, a step-by-step protocol for management of a health care problem; in computed tomography, the formulas used for calculation of the final image from the x-ray transmission data.
Origin
[Mediev. L. algorismus, after Muhammad ibn-Musa al-Khwarizmi, Arbian mathematician, + G. arithmos, number]