XDrawChem is a free software program for drawing chemical structural formulas, available for Unix and Mac OS. It is distributed under the GNU GPL. In Microsoft Windows this program is called WinDrawChem.Major features Fixed length and fixed angle drawing Automatic alignment of figures Detection of structures, text, and arrows, and their automatic placement Can automatically draw rings and other structures - has all standard amino acids and nucleic acids in a built-in library Retrieval of structures from a network database based on CAS number, formula, or name Retrieval of information on a molecule based on a drawing Symbols such as partial charge and radicals Reading MDL Molfiles, CML (Chemical Markup Language), ChemDraw binary format, ChemDraw XML text format Writing MDL Molfiles, CML, ChemDraw XML text format Integration with OpenBabel, allowing XDrawChem to read and write over 20 different chemical file formats. Image export in Portable Network Graphics (PNG), Windows bitmap, Encapsulated PostScript (EPS), and Scalable Vector Graphics (SVG) 3D structure generation with the help of the external program BUILD3D Simple spectra predictions, including 13C-NMR, 1H-NMR (based on additive rules and functional group lookup methods), and IR Simple property estimation, including pKa, octanol-water partition coefficient, and gas-phase enthalpy change. ...
Legacy control and data analysis software for Agilent GC/MSD.......
Smart.fm has closed. iKnow! is open. The free Smart.fm service closed on 31st March 2011. iKnow! opened on 17th Jan 2011 as a new integrated learning service. Smart.fm users may still log in to the new iKnow! service using smart.fm account details. This will transfer previous study data......
WikiTaxi It's a portable application that delivers the Wikipedia of your choice to wherever you go. WikiTaxi enables you to read, search, and browse Wikipedia offline. No Internet connection is needed, all pages are stored in a WikiTaxi database. Because Wikipedia is constantly growing, WikiTaxi uses compression to make sure......
myVLE is free, powerful, easy-to-use and ready-to-deploy Course Management System (CMS), also known as a Learning Management System (LMS) or a Virtual Learning Environment (VLE).......
Ask questions, get *live* answers from your network! Aardvark finds the perfect person to answer any question in real-time.......
Amazon's Askville is a community where people love helping others by answering questions.......
A new free online translation service based on Google engine was launched. It supports all most popular languages: English, Arabic, Chinese, Dutch, French, German, Italian, Japanese, Russian, Spanish, Ukrainian etc. The translator can automatically detect the source language of the text and translate it to the target language.......
ScrewTurn Wiki allows you to create, manage and share wikis in 23 languages. A wiki is a collaboratively-edited, information-centered website: the most famous is Wikipedia.ScrewTurn Wiki is based on Microsoft ASP.NET 3.5, meaning that you need a Windows operating system to run it, such as Windows Server 2003 or Windows......
Translate and speaks 53 Languages for iPhone, iPad and iPod Touch.Features:- Translate words or sentences in 53 of the worlds most used languages- Speaks in more than 35 languages- Localized user interface with more than 10 languages- Simple, fast and accurate translation- Email translation- Fast language translation and language switching-......
Understand the world better every day with simple, bite-sized and scientific explanations. Your customized feed enables you to leverage down times and read factual, unbiased content by experts without interrupting your day. Discover new topics and easily understand fundamental scientific concepts in Biology, Chemistry and Physics.......
Mathomatic is a free, portable, general-purpose Computer Algebra System (CAS) that can automatically solve, differentiate, simplify, combine, and compare algebraic equations, perform standard, complex number, modular, and polynomial arithmetic, etc. It does some calculus and is very easy to learn and use. Plotting expressions with gnuplot is also supported (requires......
Kerpoof was an online creative tool for kids that allowed students to create images, videos, and online stories with characters.......
RasMol is a computer program written for molecular graphics visualization intended and used primarily for the depiction and exploration of biological macromolecule structures, such as those found in the Protein Data Bank. It was originally developed by Roger Sayle in the early 90s.Historically, it was an important tool for molecular......
JWPce is a free Japanese English dictionary and word processor created by Glenn Rosenthal.JWPce assists in learning Japanese or English and also makes it easier to read native Japanese or English text (in electronic or print media).......
A free question and answer site with integrated tipping for digital currencies Bitcoin, Litecoin and Dogecoin. Well moderated, secure and safe.......
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