Discover how to create your very own multiplication table and keep it handy with easy steps! Learn about the fascinating history and evolution of mechanical calculators, including the gear-based ...

There was a brief period through the 1960s into the 1970s when the last word in electronics was the calculator. New models sold for hundreds of dollars, and owning one made you very special indeed.

Blaise Pascal is known for a number of things, but we remember him best for the Pascaline, an early mechanical calculator. [Chris Staecker] got a chance to take a close look at one, which is quite ...

Students learn to determine the mechanical advantage and efficiency of machines. Machines and Energy: Students learn to determine the mechanical advantage and efficiency of machines and to define, ...

levers use mechanical advantage to make lifting or applying pressure easier the three main parts of a lever are the effort (input force), fulcrum (pivot point), and load (output force) there are three ...