DataNumen DWG Recovery (DDWGR) is a powerful tool to repair and recover corrupt AutoCAD DWG files. It can scan the DWG files, then recover your data in them as much as possible, so to minimize the loss in file corruption.
Raster to Vector converts scanned drawings, maps and raster images (such as BMP, JPG, TIF, GIF, etc) into vector formats (such as DXF, HPGL, EMF, etc). You can scan old plans, archive drawings, or even photos and convert them into useful CAD data.
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A complete cybercafe management package
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Any DWG DXF Converter is a batch DWG and DXF bi-directional converter that allows you to convert DWG to DXF, DXF to DWG without the need of AutoCAD. It is also an AutoCAD drawing file version converter.
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Derivative Calculator Level 2 for teachers and students. Calculates derivatives of high orders of standard functions (including hyperbolic).
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With this AutoCAD add-on you can create terrain sectionsfrom geodetic points(heights) in the drawing. You can alsospecify position of pipe(cable, road, ...) or set auxiliarymarks in the section.
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