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...iated with fractions. I'm not a computer scientist, so perhaps I over-simplify in interpreting the result. Both of these approaches seem to recommend we put off doing division until the last possible moment. One is associated with a computer simulation article Luis R. Izquierdo and J. Gary Polhill (2006) Is Your Model Susceptible to Floating-Point Errors? Journal of Artificial Societies and Social Simulation vol. 9, no. 4 <http://jasss.soc.surrey.ac.uk/9/4/4.html> J. Gary Polhill, Luis R. Izquierdo and Nicholas M. Gotts (2005) The Ghost in the Model (and Other Effects of Floating Poi...