PDF to DWG Converter Stand-Alone,a stand alone application allows you to convert PDF files to DWG or DXF files in one easy step. It supports AutoCAD version from R14 to the latest version 2011.
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pdf2cad converts PDF drawings into the DXF and HPGL formats for import as scalable and editable objects in AutoCAD, UniGraphics, Microstation and other CAD, CAM and CNC systems. Options for controling layering, line widths, scale and more.
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DWG to DXF 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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This calculator calculates definite integrals of large variety of functions by tanh-sinh quadrature scheme. Numerical values are calculated with precision 15-16 digits. Also uncertainty of result is computed.
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