Graph Plotter interactive tool
Enter a function
Use standard JavaScript/Math syntax, e.g. sin(x), cos(x), exp(x), x*x, x**2.
Graph preview
What Is Graph Plotter?
A graph plotter or online graphing calculator lets you enter a function f(x) and immediately see its curve on a coordinate plane. Visualizing graphs helps students build intuition about slope, curvature, intercepts, and asymptotic behavior.
Why Use a Graph Plotter Instead of Only Manual Sketching?
Manual sketches are great for understanding, but they can be slow and imprecise, especially when you want to compare multiple functions or explore how small changes in coefficients affect a curve. This graphing calculator gives instant, accurate plots for linear, quadratic, polynomial, exponential, and trigonometric functions using familiar JavaScript/Math syntax like sin(x) or x*x.
How To Use the Graph Plotter
- Enter a function of x in the input field using standard JavaScript/Math syntax, such as x*x, sin(x), or exp(x).
- Set the x-min and x-max values to define the interval you want to view on the graph.
- The graph plotter will sample the function across that interval and display a smooth curve on the coordinate plane.
- Adjust the range or change the function to explore different shapes and behaviors.
- Use the Example button to load a sample function like sin(x), or Reset to clear the inputs.