Short, plain-spoken pieces on the skilled trades, why licensing exams trip up capable people, and how we build software for the people who keep the lights on.
Deeun didn't set out to make forty-two apps — it made one good one for electricians, then kept answering the same question from a new trade each time: "Can you build mine?"
Read →Code-tagged questions, explanations from the real code book, the calculator you actually use on the job, a progress engine, and full offline study — a feature-by-feature tour.
Read →Across many licensed trades, roughly two in five first-time test takers don't pass. The questions aren't the whole story — the way people prepare for them is.
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