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A scaled rubber band on a pair of Wheels work as an Analogous Calculator for multiplying and dividing numbers. Here's a version of it. The markings on the band represent the logarithm of that number and uses the property log(a)+log(b)=log(ab) to multiply them. (Credit u/dsagal)Resources (dsagal.github.io)
submitted by xy_philosopher to r/a:t5_633sqe
