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John Paul Cook

Logarithms and slide rules

As the parent of teenagers, I find myself needing examples to explain concepts such as logarithms. Visual aids help, and a slide rule was the perfect tool for showing that multiplication of two numbers can be accomplished by adding the logarithms of the numbers. Like so many other concepts, the implementation details were problematic. It took longer to find a slide rule than explain the concept! Finally, I found my father's slide rule (it said it was patented in 08) in a box and explained how to use the cursor on the slide rule to find the answer.
Published Monday, February 18, 2008 4:50 PM by John Paul Cook


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About John Paul Cook

John Paul Cook is a database and Azure specialist in Houston. He previously worked as a Data Platform Solution Architect in Microsoft's Houston office. Prior to joining Microsoft, he was a SQL Server MVP. He is experienced in SQL Server and Oracle database application design, development, and implementation. He has spoken at many conferences including Microsoft TechEd and the SQL PASS Summit. He has worked in oil and gas, financial, manufacturing, and healthcare industries. John is also a registered nurse recently completed the education to become a psychiatric nurse practitioner. Contributing author to SQL Server MVP Deep Dives and SQL Server MVP Deep Dives Volume 2. Connect on LinkedIn

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