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Comparisons and Demonstrations of Scientific Calculators
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Abstract
Scientific calculators are classified into four types: Basic, Intermediate, Advanced-I, and Advanced-II. They are compared in terms of their capacities, featuring many advantages of the graphic calculator over simple nongraphic calculators. Built-in software packages with the advanced calculators include graphing programs, an equation solver with numerical methods, matrix algebra for solving simultaneous equations, and advanced statistics including a nonlinear least squares regression. Applications in this paper include a simulation of acid-base titration curves, and graphic display of a time course of concentrations of reactants and products for a chemical reaction with first-order kinetics. Ready demonstrations of graphic results from a quantitative chemical problem are particularly advantageous with the advanced graphic calculators.
Keywords (Audience):
High School / Introductory ChemistryKeywords (Feature):
Computer Bulletin BoardKeywords (Pedagogy):
Calculator-Based LearningKeywords (Subject):
Acids / BasesCiting Articles
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This article has been cited by 3 ACS Journal articles (3 most recent appear below).
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- Received: August 03, 2009
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