Here’s a GeoGebra applet that I made for my Real Analysis class. It can be used to explore the definition of limit:

**Definition.** The limit of as approaches is , or equivalently if for any there exists such that whenever , it follows that .

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# Applet to illustrate the epsilon-delta definition of limit

Here’s a GeoGebra applet that I made for my Real Analysis class. It can be used to explore the definition of limit:

**Definition.** The limit of as approaches is , or equivalently if for any there exists such that whenever , it follows that .

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