About This Free Online Graphing Calculator

Welcome to the most advanced free online graphing calculator. Whether you are a student, teacher, or engineer, this tool allows you to plot complex mathematical functions instantly directly from your browser. No installation is required.

Key Features

• Advanced Function Plotting: Supports trigonometric (sin, cos, tan), logarithmic (log), square root (sqrt), and algebraic functions.
• Export Options: Save your graphs as high-quality PDF reports or download data points as a CSV file for Excel.
• Interactive Graph: Zoom in, zoom out, and pan across the graph to analyze specific data points.
• History Tracking: Keeps a record of your previous equations so you don't lose your work.
• Mobile Responsive: Works perfectly on PCs, laptops, tablets, and mobile phones.

How to Use the Graph Plotter

Using this tool is simple. Enter your function in the input box (e.g., sin(x) * x) and click the "Plot" button. You can use the on-screen keypad or your keyboard. Adjust the X-Min and X-Max values to change the viewing range of the horizontal axis.