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Learning by Doing: A Comprehensive Guide to Simulations, Computer Games, and Pedagogy in e-Learning and Other Educational Experiences by Clark Aldrich

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Chapter 3. INTRODUCTION TO SYSTEMS THINKING: Interactive Spreadsheets as Simulations

grandparents are wonderful. They are vast, often untapped resources of this great nation. They can bring us back to days long ago, unimaginable by today's standards. If you have a quiet moment with one of them, maybe on the porch drinking some lemonade, ask him or her to delve back. To melt away the years, to go back before Excel®, even back before Lotus 1–2-3®. Ask about VisiCalc®.

The original spreadsheets were sold, in part, by a wondrous "what-if" capability. You can imagine the early salespeople.

"If you want to see how much you would save by lowering the interest rate half a point," they must have explained, "all you have to do is change this one number, ...

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