This item is an interactive demonstration of the topic of significant digits. It computes the error that can be introduced by rounding during a calculation. Users input numbers and operations and select the number of significant digits for rounding the inputs. The result of the calculation is computed using the actual and rounded inputs, along with the percent difference between two. Users may select from addition, subtraction, multiplication, and division for the operations.
This item is part of a collection of instructional materials for introductory engineering courses on six topics: Statics, Dynamics, Fluids, Thermodynamics, Calculus, and Multimedia. See related items on this page for a link to the complete collection.
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This resource is part of a Physics Front Topical Unit.
Topic: Measurement and the Language of Physics Unit Title: Applying Measurement in Physics
How small is the error between two and three significant digits? How about three and four digits? Can the error be ignored? This activity would be a great choice for students who have already been exposed to the basics of significant figures. They enter a number, then select the number of significant digits from 1-5. The resultant numbers are automatically displayed, plus the percent error.
%0 Electronic Source %A Gramoll, Kurt %D June 30, 2009 %T OU Engineering Media Lab: Significant Digits %V 2016 %N 5 December 2016 %8 June 30, 2009 %9 application/shockwave %U https://ecourses.ou.edu/cgi-bin/ebook.cgi?doc=&topic=st&chap_sec=01.1&page=sim
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