Does anyone have recommendations for iPad apps that are good for 'technical' documents (e.g. research papers, lots of math, lots of figures, etc). The main features I'm looking for are the ability to ...

The markup tool in Safari lets you highlight text, add notes, insert your signature, and more. To access it on Mac, take a screenshot of the webpage or convert it into a PDF and use the Markup tool ...

Many workplaces and educational institutions have completely switched from paper documents to digital ones. Consequently, Mac users are increasingly dealing with PDFs and other e-document file formats ...