Author Nick: StephenMurphy
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Paul Bush, a college professor teaching mathematics, has been struggling with dilemmas for a long time. In his daily work, Paul Bush needs to find some meaningful materials to make his own PowerPoint presentations for classes. Unfortunately most of them are in PDF format and full of complicated images, tables and formula, which make Paul [...]
Due to the security features, compact size and compatibility on any computers, Portable Document Format (PDF) become a common document format for exchanging and transferring files nowadays. Especially, a variety of financial statements, budget Statistics and other data summary Excel spreadsheets are saved into PDF format after they finish editing. Sometimes the PDF files we [...]
Nowadays, PDF becomes one of the most popular file formats worldwide. Compared with other file formats, PDF files have a variety of features like security, compact size, accessibility, and usage restrictions. This has led to the increasing amount of PDF files converted from various formats like Word, Excel, and PowerPoint files when they had been [...]