Summaries to prove content. The proponent may use a summary, chart, or calculation

to prove the content of voluminous writings, recordings, or photographs that cannot be conveniently examined in court. The proponent must make the originals or duplicates available for examination or copying, or both, by other parties at reasonable time and place. And the court may order the proponent to produce them in court. [Report 1983; November 9, 2001, effective February 15, 2002; September 28, 2016, effective January 1, 2017]