Math Academy will diagnose exactly where your gaps are and build you up in a series of bite-sized lessons where you actively solve problems with immediate feedback until you've demonstrated mastery.
It can take you from knowing your multiplication tables all the way to all the math you need for an engineering and/or CS degree.
CI Builders/QA Agents can do this very well. User session starts, bring VM up with content + dependencies, when session is done throw it away. Keeps it clean, debuggable, fast and cheap.
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