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50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

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Kalainoff, Melinda; Lachance, Russ; Riegner, Dawn; Biaglow, Andrew – PRIMUS, 2012
In this article, we report on a semester-long study of the incorporation into our general chemistry course, of advanced algebraic and computer algebra techniques for solving chemical equilibrium problems. The method presented here is an alternative to the commonly used concentration table method for describing chemical equilibria in general…
Descriptors: Chemistry, Program Effectiveness, Algebra, Problem Solving
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Lachance, Russ; Biaglow, Andrew – PRIMUS, 2012
This article examines the symbolic algebraic solution of the titration equations for a diprotic acid, as obtained using "Mathematica," "Maple," and "Mathcad." The equilibrium and conservation equations are solved symbolically by the programs to eliminate the approximations that normally would be performed by the student. Of the three programs,…
Descriptors: Equations (Mathematics), Algebra, Programs, Computation
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Biaglow, Andrew; Erickson, Keith; McMurran, Shawnee – PRIMUS, 2010
The concepts presented in this article represent the cornerstone of classical mathematical biology. The central problem of the article relates to enzyme kinetics, which is a biochemical system. However, the theoretical underpinnings that lead to the formation of systems of time-dependent ordinary differential equations have been applied widely to…
Descriptors: Kinetics, Biochemistry, Equations (Mathematics), Mathematics Instruction