Download software tagged by vector emoticons

The Bluebit .NET Matrix Library provides classes for object-oriented algebra. Solves systems of simultaneous linear equations, least-squares solutions of linear systems of equations, eigenvalues and eigenvectors problems, and singular value problems.

It is a desktop draw tool, can lock desktop, and draw line on it free, you can set line's color or width.Clear the points(lines) that you drawed(when you clear on Desktop, it will be magic)!, for education, demo, explaining, for doodling too.

Edit PDF files now! You can write annotations, add text, change the text (correct spelling errors) or delete words completely. Add or delete pictures and vector graphics and add text in any font you want! 11 new tools in the new version!

Edit PDF files just like a vector objects. You can select, scale, move and rotate all objects (text, pictures, lines etc.) with a few mouse clicks. With the tool "Free text edit" you can change existing text just like a text editor.

ABViewer - professional 2D/3D CAD viewer, editor and converter, raster and vector management software - more than 30 formats supported: DWG, DXF, SVG, CGM, SVG, PLT, STEP, IGES, 3DS. Export to PDF, BMP, JPG etc. Advanced print, many other features.

DXF tools for Borland Delphi and C++Builder developers. TGraphic descendants for every format. TGraphic viewer provided. DCU or Delphi source code.

CAD View Plugin for Total Commander Free for home usage! CAD View Plugin provides support for DWG / DXF / HPGL/ SVG/ CGM files in Total Commander. Features: - Fast reading - 2D / 3D graphic - Mouse wheel zoom - Pan

Convert PDF files into HTML so they can be used for online browsing and accessible to all search engines. Graphics, hyperlinks, bookmarks and vector drawings will be preserved.

PTracer is a ActiveX Library for raster to vector conversion in automatic mode