Welcome To Cocalc S User Manual

Leo Migdal

-Nov 17, 2025, 5:20 AM

This explains in depth how you can work productively on CoCalc. © Copyright 2025, Sagemath, Inc., CC BY-4.0 licensed. Please contact us for Questions and Feedback, Documentation Repository, Privacy Policy and ToS. Start CoCalc – start free, upgrade later! CoCalc: Collaborative Calculations and Data Science There was an error while loading.

Please reload this page. Welcome to the CoCalc documentation. You can search the entire help system. Troubleshooting Connectivity issues in CoCalc SageMath Worksheet (and User Interface) Help Programming Software (C, R, Fortran, Java, Octave, etc...) from CoCalc

Collaborative Calculation and Data Science Real-time collaboration for Jupyter Notebooks, Linux Terminals, LaTeX, and more, all in one place. Hello, and welcome to CoCalc, an online platform for learning, teaching, writing, research, development - anything where you need to calculate or collaborate! CoCalc’s goal is to provide the best real-time collaborative environment for Jupyter Notebooks, LaTeX documents, and SageMath, scalable from individual use to large groups and classes. We empower you to focus on the task at hand rather than technical details. Work in CoCalc is organized in Projects where you and your collaborators can

code in Jupyter Notebooks as well as in R, C, Julia, and other languages; edit LaTeX, Markdown, and many other documents; This is a documentation of CoCalc's features for users. It covers topics like teaching, editing LaTeX documents, calculating with Jupyter Notebooks and Sage Worksheets, etc. Note: the Makefile configures sphinx to throw warnings as errors. Hence even small details like a broken reference link will cause a failed build.

"CoCalc" is a registered trademark. Usage of the term "CoCalc" refers to the online service CoCalc hosted at https://cocalc.com only. © Copyright 2025, Sagemath, Inc., CC BY-4.0 licensed. Please contact us for Questions and Feedback, Documentation Repository, Privacy Policy and ToS. Start CoCalc – start free, upgrade later! CoCalc provides an online platform for performing computations without the need to install any software on your computer.

It allows you to immediately start exploring in a variety of languages, with several unique features. One of the main benefits of CoCalc is that you can just fire it up and get to work. Later in this document we will discuss how to setup a reproducible programming environment, but for now, you can do the following to just get started. Create an account and project on CoCalc. If you are taking this as a course, then you should use the project you are invited to join as part of the course. Purchase a license.

A site license is required to access the internet from projects, e.g. to install software,and will provide for much better performance. While you can run your project without a license, this is really only appropriate for testing things. Students will be prompted for a term license from the course, but may use their own license if they wish to purchase something more long-term. Open your project and start exploring. Students should see two projects that are automatically created for the course:

In this guide we highlight the most important concepts you should be aware of to work in CoCalc effectively. Some of them you may start using right away, others (like TimeTravel and Backups) may save the day later. Many have more detailed documentation pages should you wish to study them deeper. Once you create an account on CoCalc, you should have access to at least one project - either your personal one, or projects you were invited to collaborate on. You can think of “a project” as “a virtual computer”: it has your files and can run various software to interact with them. In CoCalc it is also “a collaboration unit”: you can look at and edit the same files as your collaborators.

In particular, Jupyter Notebooks always have the same state for you and them, including variables in memory and widget settings. How many Projects do you need? As many as collaboration groups you are a part of. In particular, if you are working by yourself, then there is not much benefit to having more than one, although you may prefer to use projects as an organizational tool. If you are enrolled into CoCalc courses, a dedicated project will be created for you automatically and your collaborators on it will be your instructors and TAs. You should have a license applied to every project you are working on.

If you have collaborators, it is possible that they have already taken care of it. CoCalc Licenses are applied to projects, not to users, they determine configuration of that “virtual computer”, regardless of how many people are using it (of course, if there are many heavy users, you may... Without a license your project will work in trial mode with very limited resources. As soon as you confirm that CoCalc seems to be what you need, we strongly encourage you to get a subscription, i.e. an automatically renewing license. If you are not sure what variant to pick - pick the standard one!

Welcome To Cocalc S User Manual

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