Fix your PDF headaches with this all-in-one editor, now $24 for life

Right now, you can secure a lifetime subscription to PDF Converter and Editor for just $23.99 (reg. $99.99) with code CONVERT ...
IEEE

Hysteresis Current Control for Multilevel Converter in Parallel-Form Switch-Linear Hybrid Envelope Tracking Power Supply

Abstract: Parallel-form switch-linear hybrid (SLH) envelope tracking (ET) power supply is constituted by a linear amplifier and a switched-mode converter connected in parallel. The switched-mode ...

IRS shuts down Direct File. Here's how SC tax payers can file for free

While the IRS Direct File program has been shut down, there are still ways to file your taxes for free. Here's what to know.

IRS Direct File is gone. See other free, low-cost tax filing programs

The IRS Direct File program, a free tax filing option, has been discontinued for the 2026 tax season. The program was ended by the Trump Administration after a two-year pilot due to low participation ...

FreeTaxUSA 2026 (Tax Year 2025)

FreeTaxUSA. FreeTaxUSA keeps getting better. The latest version of the tax prep app now lets you import Form 1099s—including ...
GitHub

Asciidoctor PDF: A native PDF converter for AsciiDoc

Asciidoctor PDF is a native PDF converter for AsciiDoc that serves the pdf backend. It bypasses the step of generating an intermediary format such as DocBook, Apache FO, or LaTeX in order to produce ...