Graphing Calculator Online
Type a function and watch its graph appear. Plot a line or quadratic to check where it crosses the axes, then add another curve to see where they meet. Tap a curve for crossings, turning points and intersections; drag along it to read coordinates at a particular point.
Graph more than functions
You can enter an equation such as to draw a circle without rearranging it into two functions. Enter an inequality to shade its solution region. The same graph also accepts parametric and polar curves, so you can move from a school algebra problem to a different kind of path without changing tools.
Write a constant on its own line and it becomes a slider. Change its value to see how a parabola moves or how a trigonometric curve changes. When angles matter, the graph uses the angle unit selected in the CalcES scientific calculator. You can send a calculator result to the graph from its Graph button, then inspect the picture beside the number.
For a worked explanation of an equation before you plot it, open Tales Math Solver. You can also export a graph or share a link when you need to discuss what a curve shows.