| column_width | R Documentation | 
Calculate the width of an A0 column
column_width(number = 3, margin = 20, edge = 10)
| number | The desired number of columns with equal width. | 
| margin | the horizontal distance between columns in mm. | 
| edge | the width of the whitespace edge around the poster in mm. | 
Other utils: 
add_author(),
add_report_numbers(),
check_dependencies(),
column_start(),
cover_info(),
create_report(),
dyn_table(),
references(),
render_natbib(),
validate_doi()
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