In Chemical Engineering
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Avogadro is an advanced molecule editor and visualizer designed for cross-platform use in computational chemistry, molecular modeling, bioinformatics, materials science, and related areas. It offers flexible high quality rendering and a powerful plugin architecture. Avogadro is a free, open source molecular editor and visualization tool, designed for use on Mac, Windows, and Linux in computational chemistry, molecular modeling, bioinformatics, materials science, and related areas. It offers flexible high quality rendering and a powerful plugin architecture. More about Avogadro, including development details and downloads can be found at http://avogadro.ccRead More →

In Productivity
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With 1Password you only ever need to memorize… one password. All your other passwords and important information are protected behind your Master Password, which only you know. Don’t forget your passwords. Or your bank account routing number. Or the alarm code for your house. 1Password safely keeps track of them all. Store everything from online accounts to social security numbers. Use tags and powerful search to quickly find what you’re looking for on any of your devices. Your data is protected behind your one Master Password, which only you know. Strong AES-256 encryption protects your sensitive information at all times. Unlock 1Password on your mobileRead More →

In Electrical Engineering
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The Harmonics Visualiser tool is an Excel workbook that presents the vectorial and sinusoidal representation of a system of harmonic components. The magnitude of the vectors can be entered on the left-side of the graphs and the angles are calculated automatically depending on the order of the harmonic component. The vectors are presented as a three phase system whilst the sinusoidal graph is referenced to Phase A or Red Phase. The sinusoidal chart also shows a summation of all the harmonic components into the final resulting wave form. The tool includes an animation function in which the vectors are rotated through a 360 degree cycleRead More →

In Electrical Engineering
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Learn about power flow, sags, dips, phase rotation, harmonics, flicker and more.Download PSL’s FREE Power Quality Teaching Tool to learn about single-phase distortion, power triangles, vector-based phase shift during voltage sags, waveforms with phase-sequence vectors, and more. This little tool is great for explaining and visualising the various types of power quality issues frequently encountered in an electrical network. Find out more on PSL’s Power Quality Teaching Tool webpage.Read More →

In Electrical Engineering
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The Symmetrical Components tool is an Excel Workbook that shows the breakdown of an arbitrary three-phase set of vectors into its Symmetrical Components. This tool is implemented in Excel in order to facilitate its use by students and professional engineers alike. The spreadsheet takes the Magnitude and Angle of each of the vectors as an input as shown in the image below. Using this information, the Cartesian coordinates of the origin and end of each vector are calculated to be used in the chart. After this, the symmetrical components are calculated for Positive, Negative and Zero sequence. All of these are then also reported inRead More →

In Modelling and Design
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Disclaimer: “Autodesk, AutoCAD, Tinkercad, DWG, the DWG logo, and Inventor are registered trademarks or trademarks of Autodesk, Inc., and/or its subsidiaries and/or affiliates in the USA and other countries.” Tinkercad is a free online collection of software tools that help people all over the world think, create and make. It’s the ideal introduction to Autodesk, the leader in 3D design, engineering and entertainment software. https://www.tinkercad.comRead More →

In Modelling and Design
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SketchUp users are architects, designers, builders, makers and engineers. They are the people who shape the physical world. They are important, and they deserve great tools because great tools produce great work.Great tools are ones you look forward to using. They do one thing (or maybe two) really, really well. They let you do what you want without having to figure out how. They help with hard or boring tasks so that you can focus on being creative, or productive, or both. And they are, in their own way, beautiful.At SketchUp, we do our best to make great tools for drawing. For our users, drawingRead More →

In Mathematics and Calculations
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SageMath is a free open-source mathematics software system licensed under the GPL. It builds on top of many existing open-source packages: NumPy, SciPy, matplotlib, Sympy, Maxima, GAP, FLINT, R and many more. Access their combined power through a common, Python-based language or directly via interfaces or wrappers.Read More →