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Up for sale is a highly collectible, vintage 1965 Probability Slide Rule manufactured by the Rolatape Corporation of Santa Monica, California, with design and research by the Measurement Analysis Corp.This specialized, mid-century computing instrument was engineered for mathematicians, statisticians, and engineers to quickly evaluate complex random data before electronic programmable calculators existed.
Features & Capabilities:
Side One
calculates precise values for three main probability distributions: Normal (Gaussian), Rayleigh, and Maxwell distributions.
Side Two
functions as a Multiple Event Probability calculator to determine the probability of no successes or at least one success in a given set of independent trials.What’s Included:Original Circular Probability Slide Rule (measures approximately 6.5 inches in diameter).Original "Rule 1" printed instruction sheet leaflet.Original protective paper mailing envelope shell.
The condition is Excellent there is some writing w/pen stating Rule 1 Tech library but not all that noticeable other then the writing it’s all in tact and in excellent condition
This complete set makes a perfect addition to any collection of vintage engineering tools, retro computing history, or mathematical novelty items.
