How to convert a PDF file to a Google Doc with or without its original formatting

You can convert PDF files into Google Docs within your Drive, but the formatting may not be perfect.

How to convert Apple's HEIC files to PDF on a Windows or Mac computer

You can convert Apple's HEIC files to PDF on a Mac or Windows computer using the free Convertio website.

This obscure Microsoft Excel tool imports PDF data without mangling it

In the top menu of Excel select Data > Get Data > From File > From PDF. Browse your files and select the PDF with the table ...
IEEE

Efficiency enhanced Single-Inductor Boost-Inverting Flyback converter with Dual Hybrid Energy transfer media and a Bifurcation Free Comparator

Abstract: A Dual Hybrid Energy transfer media (DHE) Single-Inductor Boost-Inverting Flyback (SIBIF) DC-DC Converter is presented. To increase the converter efficiency, two flying capacitors as well as ...