PQcalc, an Online Calculator for Science Learners

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• 作者：Karsten Theis
• 刊名：Journal of Chemical Education
• 出版年：2015
• 出版时间：November 10, 2015
• 年：2015
• 卷：92
• 期：11
• 页码：1953-1955
• 全文大小：182K
• ISSN：1938-1328

文摘

PQcalc is an online calculator designed to support students in college-level science classes. Unlike a pocket calculator, PQcalc allows students to set up problems within the calculator just as one would on paper. This includes using proper units and naming quantities strategically in a way that helps finding the solution. Results of calculations come with units of measurement and are given with a reasonable number of significant figures. The features of PQcalc were chosen to allow learners to spend more time on scientific reasoning while figuring out and communicating well-annotated, structured, and mathematically correct solutions to quantitative problems.