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No, unfortunately there are no easy workarounds - MacOS Catalina simply doesn't support 32-bit apps, and the Mathematica frontend for 11.3 and earlier is a 32-bit app. To solve this, you must either upgrade your license or downgrade your version of MacOS. You may also have some luck contacting Wolfram Support and seeing if they can help you. The current Eclipse works fine on Catalina. For Big Sure which has been released after the current Eclipse I would recommend to wait for Eclipse 2020-12 which will be released next week (or use a preview version of it) and which contains Java also when installing directly as.dmg.The Eclipse Installer cannot be used to upgrade an Eclipse that have not been installed via the Eclipse Installer.
How to Run 32-Bit Apps in macOS Catalina. Apple's latest version of macOS, Catalina, officially ditches 32-bit app support, but you can still run the software you need by following these steps. Mathematica supports an X Window System front end, and uses the Qt application framework for its user interface—the same used by the major Linux desktop environment KDE. Regular tests are run on both enterprise and popular open-source Linux distributions. Which versions of Wolfram products run on macOS Catalina? With the release of macOS version 10.15 (Catalina), Apple is ending support for 32-bit applications. Wolfram products based on Wolfram Language 12.0 or later are fully 64 bit on macOS, and are therefore compatible with macOS 10.15, as well as earlier versions. Mathematica is the tool of choice across the technical world for everything from simple calculations to large-scale computations, programming, or presenting. Throughout industry, government, and education, two million people - from students to Nobel Laureates - use Mathematica to achieve more.
For three decades, Mathematica has defined the state of the art in technical computing—and provided the principal computation environment for millions of innovators, educators, students, and others around the world.
How to Run 32-Bit Apps in macOS Catalina. Apple's latest version of macOS, Catalina, officially ditches 32-bit app support, but you can still run the software you need by following these steps.
Widely admired for both its technical prowess and elegant ease of use, Mathematica provides a single integrated, continually expanding system that covers the breadth and depth of technical computing—and seamlessly available in the cloud through any web browser, as well as natively on all modern desktop systems.
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For Modern Technical Computing,
There's No Other Choice
With energetic development and consistent vision for three decades, Mathematica stands alone in a huge range of dimensions, unique in its support for today's technical computing environments and workflows.
A Vast System, All Integrated
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Mathematica has nearly 5,000 built-in functions covering all areas of technical computing—all carefully integrated so they work perfectly together, and all included in the fully integrated Mathematica system.
Not Just Numbers, Not Just Math—But Everything
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Higher Level Than Ever Before
Superfunctions, meta-algorithms... Mathematica provides a progressively higher-level environment in which as much as possible is automated—so you can work as efficiently as possible.
Everything Is Industrial Strength
Mathematica is built to provide industrial-strength capabilities—with robust, efficient algorithms across all areas, capable of handling large-scale problems, with parallelism, GPU computing, and more.
Powerful Ease of Use
Mathematica draws on its algorithmic power—as well as the careful design of the Wolfram Language—to create a system that's uniquely easy to use, with predictive suggestions, natural language input, and more.
Documents As Well As Code
Mathematica uses the Wolfram Notebook Interface, which allows you to organize everything you do in rich documents that include text, runnable code, dynamic graphics, user interfaces, and more.
The Code Makes Sense
With its intuitive English-like function names and coherent design, the Wolfram Language is uniquely easy to read, write, and learn.
Make Your Results Look Their Best
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150,000+ Examples
Get started with almost any project with help from 150,000+ examples in the Documentation Center, over 10,000 open-code Demonstrations in the Wolfram Demonstrations Project—and a host of other resources.
Instant Real-World Data
Mathematica has access to the vast Wolfram Knowledgebase, which includes up-to-the-minute real-world data across thousands of domains.
Seamless Cloud Integration
Mathematica is now seamlessly integrated with the cloud—allowing sharing, cloud computing, and more in a unique and powerful hybrid cloud/desktop environment
Connected to Everything
Mathematica is built to be connected to everything: file formats (180+), other languages, Wolfram Data Drop, APIs, databases, programs, the Internet of Things, devices—and even distributed instances of itself.
Coverage
Mathematica is based on the breakthrough Wolfram Language.
The Mathematica Trajectory
It's Come a Long Way in Three Decades
The 500+ functions from Mathematica 1 are still in Mathematica 12—but there are now nearly 6,000, as well as a huge range of important new ideas that dramatically extend the vision and scope of the system.
The 1988 Revolution
When Mathematica first appeared in 1988, it revolutionized technical computing—and every year since then it's kept going, introducing new functions, new algorithms and new ideas.
Far, Far Beyond Math
Math was Mathematica's first great application area—and building on that success, Mathematica has systematically expanded into a vast range of areas, covering all forms of technical computing and beyond.
The Innovation Gets Even Faster
Mathematica has followed a remarkable trajectory of accelerating innovation for three decades—made possible at every stage by systematically building on its increasingly large capabilities so far.
Serious New Ideas in Every Version
Versions of Mathematica aren't just incremental software updates; each successive one is a serious achievement that extends the paradigm of computation in new directions and introduces important new ideas.
What You Learned in Version 1 Still Works
If you're one of the lucky people who used Mathematica 1, the code you wrote over three decades ago will still work—and you'll recognize the core ideas of Mathematica 1 in the vast system that is Mathematica today.
Always Moving Forward, for three decades
Mathematica has always stayed true to its core principles and careful design disciplines, letting it continually move forward and integrate new functionality and methodologies without ever having to backtrack.
Mathematica in the Wolfram Product Universe
Mathematica is Wolfram's original, flagship product—primarily aimed at technical computing for R&D and education. Based on the Wolfram Language, Mathematica is 100% compatible with other core Wolfram products.
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