CAD software downloads

Orbiting Mass with Constant Force Model -
Orbiting Mass with Constant Force Model is a handy, Java based application specially designed to help you study the dynamics of an orbiting mass due to a constant force (a linear potential energy function).
 
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Freeware
Parallel Plate Capacitor Model -
The Ejs Parallel Plate Capacitor model displays a parallel-plate capacitor which consists of two identical metal Plates, placed parallel to one another.
 
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Freeware
Parallel-Plate Capacitor with Dielectric Model -
A capacitor is a device for storing charge. In this simulation, you can INVESTigate a relatively simple capacitor, known as a parallel-plate capacitor. It consists of two identical metal Plates, placed parallel to one another. The capacitor can be
 
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Freeware
Penguin in Elevator -
Solve the "weight" in an elevator problem with this tool. Penguin in Elevator is a small, Java based application designed to enable users to simulate the classical what is your "weight" in an elevator problem. In this case, what we mean by
 
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Freeware
ProfDistS 0.9.9 beta
ProfDistS is a handy, easy to use application specially designed to offer a phylogenetic framework that uses individual RNA secondary structures in reconstructing phylogenies based on sequence-structure alignments - using Profile Neighbor Joining.
 
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Freeware
Protocase Designer 3.0 build 528
Protocase Designer is free downloadable 3D CAD enclosure design software, that can be learned in minutes, and allows you to design complete custom metal Electronics enclosures in less than 20 minutes.
 
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Freeware
QuadNet 2.03
This graphics-intensive program designs and analyzes active quadrature ("90-degree") networks for use in SSB transmitters and receivers.
 
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Freeware
ReconSpirit for AutoCAD2000 3.4.2
You can use inclusive AutoCAD add-on ReconSpirit for converting 2D DXF or DWG files into feature-based 3D parts.
 
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Free to try
SeqState 1.4.1
SeqState is a handy, easy to use tool specially designed to offer you a Primer design, sequence statistics, and indel coding according to various schemes.
 
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Freeware
Solar and Lunar Eclipse Model -
Solar and Lunar Eclipse Model is a handy, easy to use, Java based application specially designed to simulate the occurrences of solar and lunar eclipses.
 
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Freeware
SwNSX 1.48
swNSX names and saves SolidWorks drawing documents in a variety of formats based on user defined rules.
 
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Freeware
TreeCorrect 1.2b
Compute percentages of tree correct with this tool. TreeCorrect is a small, simple application specially designed to help you compute percentages of tree correct or correct tree. A tree or a series of subtree that you want to compare to your tree
 
1

Freeware
Ultimate Calc 0.0.6 Beta
Ultimate Calc is a handy, simple, easy-to-use multitask Scientific Calculator. This tool supports plugins and scripts (in C++ and QtScript respectively) to provide different working modes and custom solving functions. Here are some key features
 
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Freeware
Vertical Rocket Motion 1.01
Vertical Rocket Motion is a small program that can compute the vertical trajectory of a rocket at Subsonic speeds. Plotting of various results are also possible.
 
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Freeware
VSWR Mismatch Calculator 1.2.0
VSWR Mismatch Calculator is a handy utility designed to process VSWR data. VSWR is a common specification in data sheets for RF devices, such as amplifiers, sources, and power meters. At small VSWRs, the plus and Minus converge to the same value.
 
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Freeware
Wave Function Plotter Model -
Wave Function Plotter Model is a handy, easy to use, Java based application designed to help you study the one-dimensional wave function u(x,t) depicting a disturbance at position x and time t.
 
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Freeware
Anita 1.0
The principal role in all efforts in the discrete mathematic is played by the prime numbers always present with their beautiful, powerful, necessary and mysterious irregularity.
 
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Freeware
Bayesian Coin Tosser -
Illustrates Bayesian concepts of prior and posterior densities for a simple coin flipping example.
 
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Freeware
Bouncing Ball -
A simulation to help you lean physics. Bouncing Ball is a small, handy, Java based tool specially designed to help you analyze the forces that work when bouncing a ball. This simulation is great if you are studying energy and momentum and
 
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Freeware
box2D 2.1.3
This is the Delphi version of box2D physics engine. Features: *Fixtures *Three new joints *Raycast *Enhanced collision event system *More
 
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Freeware