You can graph equations and even convert to tables!
How to get to a table:
Type in your equation.
Click the "Edit" gear symbol.
Click "Convert to Table" You can type the x-value that you want into the table :)
Desmos even does linear/quadratic regression! Watch this video to see how to find the line of best fit using Desmos (only watch the first 40 seconds that stop the video) https://www.youtube.com/watch?v=E9B0hQYfziw