Keywords :
Lehman´s implementation, measure for efficiency, multipliers, optimal number of multipliers, oscillatory and monotonic convergence, recursions, speed of convergence, table-lookup, truncation effects and precision, Wilkes-Harvard iterative scheme.; Convergence; Error analysis; Hardware; Iterative methods; Mathematics; Velocity measurement; Lehman´s implementation, measure for efficiency, multipliers, optimal number of multipliers, oscillatory and monotonic convergence, recursions, speed of convergence, table-lookup, truncation effects and precision, Wilkes-Harvard iterative scheme.;