Many CAD programs are designed for architects and engineers. Thesecan be expensive, as well as hard to learn, and difficult to use. Home Plan Pro is designed to quickly and easily draw good-quality, straightforward designs.
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DipTrace is an advanced PCB design software application that consists of 4 modules: PCB Layout with high-speed autorouter and 3D viewer/STEP export, Schematic Capture, Component and Pattern Editors that allow you to design custom component libraries.
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A powerful and fast dwg tools, Protecting drawing file, Keep others from modifying/copying your design.DWGLock 2008.10 is a stand-alone application, no AutoCAD required; Supports AutoCAD R2.9 thru 2009 drawings.
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Derivative Calculator Real 27 for teachers and students. Calculates derivatives of high orders of standard functions (including hyperbolic).
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College Scientific Calculator 27 for scientists, engineers, teachers, and students. Calculates mathematical formulas of any length and complexity.
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