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Function Graphing Calculator - Plot Online Free

Visualize mathematical functions instantly with this free online graphing calculator. Perfect for students and educators, it plots everything from sin(x) to x² + y² = 1. Customize your graph and analyze results effortlessly.

Features

  • Plot trigonometric (sin, cos), polynomial (x²), and implicit equations.
  • Adjust line styles, axis ranges, and π-based grids.
  • Find axis intersections and view value tables.

How to Use

  1. Enter a function (e.g., sin(x), x^2).
  2. Customize settings (X/Y ranges, step size).
  3. Click “Plot” to see your graph.
  4. Analyze with “Intersections” or “Values Table.”
  • sin(x) – Sine wave with π ticks.
  • x^2 – Quadratic parabola.
  • e^x – Exponential curve.
  • x^2 + y^2 = 1 – Unit circle.

Why Use It?

Ideal for algebra, calculus, and trigonometry.