Limit Calculator computes a limit of a function with respect to a variable at a given point. One-sided and Enter a function to compute its limit: Limit variable. This calculator computes both one-sided and two-sided limits of a given function at a given Calculators:: Calculus:: Limit Calculator Compute limit at:?. Get the free " Limit calculator" widget for your website, blog, Wordpress, Blogger, or iGoogle. Find more Mathematics widgets in Wolfram|Alpha.