Rule with reference to the aureo number or (fi) (Machine-translation by Google Translate, not legally binding)

摘要

Rule with reference to the aureo number or (fi), rule that being of the type of those constituted by those defined: rule (1), square (2), scale (3) or equivalent instrument intended to be able to measure lengths, essentially characterizes, because in correspondence with one of its edges a band or band (4) affected by a determinant alignment of a scale is determined, in indifferent units, while in correspondence with this band, there is another scale (5), which can be located in any area included according to (6), proportional to the previous one with respect to the number "Fi", this proportion being the product of each one of the values defined by the band (4) with the number "Fi", being the approximate value of "Fi" (1.61803...), considering any accuracy in the number of estimated decimals to apply, whether only with 2, 3, 4, 5 digits or those considered appropriate, both to perform the proportion and to show its value in the ba nda (5). (Machine-translation by Google Translate, not legally binding)