R-Wipe & Clean is a complete solution to wipe useless files and keep your computer privacy. Irretrievably deletes private records of your on- and off-line activities, such as temporary internet files, history, cookies, autocomplete forms and passwords, swap files, recently opened documents list, Explorer MRUs, temporary files, etc., traces from more than 200 third-party applications, and free up your disk space. The utility wipes files and unused disk space using either fast or secure erase algorithms. All files and folders may be combined in wipe lists to erase them in a single procedure.R-Wipe & Clean wipes all files to ensure their total unrecoverable elimination. Supports both the FAT and NTFS file systems. All separate wiping and cleaning tasks can be combined in one or more erasing procedures launched immediately or at predefined times or events as a background task.

MathType is a powerful interactive tool for Windows and Macintosh that lets you create mathematical notation for word processing, web pages, desktop publishing, presentations, and for TeX, LaTeX, and MathML documents.