{pdfcheck} is an R package that aims to make checking the accessibility of PDF files as easy as possible. It relies on verapdf (which does all the hard work in the background) and uses it to provide ...

Try it now — load your own PDF or use the sample: ...

Excel checkboxes offer a straightforward yet versatile way to enhance spreadsheet functionality by toggling between `TRUE` and `FALSE` values when linked to cells. As explained by Excel Off The Grid, ...

Correspondence to Professor João Santos-Antunes, Gastroenterology Department, Centro Hospitalar Universitário São João, Porto, Portugal; joao.claudio.antunes{at}gmail.com Objective To evaluate the ...