The Box-and-Dot Method:: A Simple Strategy for Counting Significant Figures

• Autores: W. Kirk Stephenson
• Localización: Journal of chemical education, ISSN 0021-9584, Vol. 86, Nº 8 (August), 2009, págs. 933-935
• Idioma: inglés
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• Resumen

  • A visual method for counting significant digits is presented. This easy-to-learn (and easy-to-teach) method, designated the box-and-dot method, uses the device of "boxing" significant figures based on two simple rules, then counting the number of digits in the boxes.