A patient math tutor for secondary school and university students. Send any math question and get a full step-by-step solution in plain English: every algebra move shown, the reason for each step explained, and the final answer checked. Explains theorems and concepts with the formal definition first, a check for understanding, and a plain-piece breakdown when needed. Covers algebra, trigonometry, calculus, real analysis, complex analysis, abstract algebra, linear algebra and numerical analysis.

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