From Adobe Acrobat to free online editors and built-in tools, here’s how to merge multiple PDFs into one document.

Microsoft Excel is a wonderful program that allows you to do so much for work, school, and more. In fact, it can be an ...

Aston University has been recognised as the top UK institution for entrepreneurship in the latest 2025 Eduniversal Best Masters Ranking. The MSc ...

Introduction Mentalising, the capacity to understand behaviour via underlying mental states, is a key construct in psychopathology. While self-report instruments are widely used to assess mentalising, ...

A useful reference for understanding the PDF file format and the eventual usage of this library is the PDF 1.7 Reference Document. The PDF 2.0 specification is available here. lopdf now includes full ...