I've done Calculus long time ago! But now again I am doing it seriously to become an expert on it :)(adsbygoogle = window.adsbygoogle || []).push({});

And what I emphasise is the underlying ideas, not just doing maths :(

So, what I want to discuss first, about LIMIT.

How the concept of Limit came from? why it's always x -> 0...type? what's these delta, epsilons? And why this is defined so complexly ???

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# I've done Calculus long time ago! But now again I am doing it

**Physics Forums | Science Articles, Homework Help, Discussion**