Contact Graphing Calculator
Have a question about the Graphing Calculator or spotted an error in a guide?
Report a calculator issue
Include the expression you entered, the x and y bounds, your browser and device, and the result you expected. If the values table differs from your calculation, include the sample x-value and your algebraic check.
Suggest a correction or a guide
Share the page URL, the heading or example you are referring to, and what you would change. If you are requesting a guide, include a sample equation or a concept you want explained.
Before sending a screenshot
Crop out account information, unrelated browser tabs and personal details. You can usually reproduce a graph with just the expression and axis bounds.
Recheck your graph
Return to the calculator homepage and try the same input again before sending your report.