A path for every subject you study.

One sequence of problems, from the first lesson to the work.

A new species of study tool. Purpose-built for students who need one path through a subject, TechCity sets a new standard for learning and finishing the work.

  • Fig 0.1

    The stage you are on

    Finished stages stay marked. The one you are on stays open, with the problem to do.

  • Fig 0.2

    A hint, not the answer

    Each stage tells you how to start. It does not hand you the solution.

  • Fig 0.3

    What comes next

    The next topic, the prerequisite, and the reading stay with that stage.

On the stage you are on. The path, the question, and what comes next.

  • Progress

    Finished stages stay marked. The one you are on stays open.

  • Export as PDF

    Trainer guides for 30 or 90 days — how to teach the path, day by day.

  • Next topics

    The next step is already on the path.

  • Prerequisites

    Each topic names what has to come first.

  • Resources

    The reading for a topic stays with that topic.

  • Personalisation

    The path follows the stages you have finished.

Coming soon

More of the path. Practice, content, and habits around the sheet.

Not on the sheet yet. Landing as the catalog grows.

  1. 01ProblemsPractice sets per topic
  2. 02ProjectsBuild work for the path
  3. 03ArticlesWritten content
  4. 04Video resourcesCurated video content
  5. 05BookmarksSave what you revisit
  6. 06StreaksDaily continuity
  7. 07Interview problems and patternsPatterns under a timer

Pick a subject. Start at the stage you can do.

Get started