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Versatile software for atomic-level quantum mechanical calculations in chemistry and physics.
Dirac is a software program for performing quantum mechanical calculations in chemistry and physics. It is used to study the properties of molecules, materials, and other systems at the atomic and subatomic level. Dirac is based on the Dirac equation, a fundamental equation of quantum mechanics that describes the behavior of particles, such as electrons and photons, in terms of wave functions. The software includes a range of features for performing quantum mechanical calculations, such as solving the Schrödinger equation, evaluating energy levels, and calculating wave functions and other quantities. Dirac is developed by a team at the University of Gothenburg in Sweden and is available for Windows, Linux, and Unix operating systems. It is widely used in research and industry to study the properties of chemical and physical systems.
Operating system: Linux, FreeBSD, Microsoft Windows, macOS
License: LGPL 2.1
Lab equipment markets are fragmented. Buyers spend weeks calling distributors, comparing quotes, and verifying supplier reliability. Sellers struggle to reach global research labs.
We built Questpair to fix this. Every supplier on the platform is verified before listing. Every quote you receive comes from a real, vetted seller. AI prepares your case in minutes, then a real specialist takes over.
We're an independent team based in The Netherlands, working with research labs and procurement teams across Europe and worldwide.
With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.
Yes. Every verified supplier states which service partners cover the instrument, and we list that alongside the offer.
Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.
Two to six weeks, depending on refurbishment scope and whether calibration is included.
We ship to 38 countries. Crating and customs handling are quoted with the instrument.
Tell us what you need and a scientist finds it for you, usually within the hour.
Last updated 19 October 2026
The middle half of the 147 with a price runs from €178 to €8,624.
