?? Graphing Calculator

Plot any function or equation online " sin, cos, polynomials, logs & more

What is a Graphing Calculator?

A graphing calculator plots mathematical functions and equations on a coordinate plane. Enter any function like y = x², sin(x), or log(x) and instantly see the curve. Ideal for students, teachers, and engineers who need to visualize mathematical relationships.

How to Use This Graphing Tool

  1. Enter a function — Type any expression using x as the variable (e.g., x^2 - 4, sin(x), 2*x + 1).
  2. Set the range — Adjust x-min and x-max to control the visible window.
  3. Click Plot — The graph renders instantly on the canvas.

Supported Functions

Polynomial: x^2, x^3 - 2x + 1, 0.5x^4

Trigonometric: sin(x), cos(x), tan(x)

Logarithmic: log(x), ln(x), log2(x)

Exponential: e^x, 2^x, exp(x)

Example: Plotting y = x² − 4

This parabola opens upward with vertex at (0, −4). It crosses the x-axis at x = −2 and x = 2. Enter x^2 - 4 to see this curve plotted automatically.

Related Math Tools

Algebra Calculator Trigonometry Calculator Geometry Calculator Statistics Calculator Scientific Calculator Maths Solver

Frequently Asked Questions

Can I plot multiple functions at once?

Currently you can plot one function at a time. Enter a new expression and click Plot to update the graph.

What math notation is supported?

Use standard notation: ^ for powers, * for multiplication, sqrt() for square root, sin/cos/tan for trig, and log/ln for logarithms.

Is this a free Desmos alternative?

Yes. This is a free, no-signup graphing calculator that works entirely in your browser. Great for homework and quick visualizations.