basic concept

UNIT CONVERTER BASIC - free unit conversion program.

Computer Dictionary: What is RAM or Memory, and What is a Hard Drive

Free macro recorder, text expander, mouse clicker, and data entry program

Free cross-platform browser based spreadsheet web application.

Open, view, edit, save and print PDF with ease.

Play, record, convert, and burn on CD music and videos.

Read any text aloud with natural sounding voices, and convert the text to MP3 and WAV audio files.

Play or convert most video file formats, and add special sound effect.

Tweak hundreds of hidden features of Windows Vista

Enhance sales productivity by automating the sales process.