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The stepped reckoner or Leibniz calculator was a mechanical calculator invented by the German mathematician Gottfried Wilhelm Leibniz (started in 1673, when he presented a wooden model to the Royal Society of London [2] and completed in 1694). [1]
Garage Sale Mystery is an American/Canadian mystery film series starring Lori Loughlin as Jennifer Shannon. It is based on the Garage Sale Mystery book series written by Suzi Weinert. The Hallmark series aired on Hallmark Movies & Mysteries in the US, Bravo in Canada and Channel 5 in the UK occasionally as part of the weekday films.