What if the sides disagree?
The calculator reports that the two-sided limit does not exist when left and right samples diverge.
Step-by-step walkthrough
Use this companion guide beside the interactive calculator to make sure you understand the “why” behind every click. Each section includes the classroom explanation, student-friendly language, and quick practice prompts.
Collect the data points listed below and double-check their units. Keeping an organized “givens” list is one of the fastest ways to reduce math errors and impress exam graders.
Step 1
Enter f(x) and the point x₀ you want to approach.
Step 2
Select whether to evaluate the two-sided limit or only from the left/right.
Step 3
Review the sampled values and the resulting limit determination.
The calculator reports that the two-sided limit does not exist when left and right samples diverge.
Supply large positive or negative numbers to approximate limits at infinity for now.