Graphing Calculator
This online graphing calculator plots any mathematical function you enter and lets you zoom and pan to explore its shape — useful for checking algebra and precalculus work, visualizing calculus concepts, or just seeing what a function looks like.
How to use this graphing calculator
- Type your function using x as the variable (for example, x^2 – 3 or sin(x)).
- The graph plots automatically as you type.
- Use zoom and pan to explore specific regions of the curve.
What kinds of functions can be graphed
Standard mathematical notation is supported, including exponents (^), the common trig and exponential/logarithmic functions, and combinations of these built up into more complex expressions, so most functions encountered in algebra through introductory calculus can be plotted directly.
Why visualizing a function helps
A graph shows behavior that’s easy to miss from the equation alone — where a function crosses zero, where it has a maximum or minimum, how steeply it rises or falls, or whether it has asymptotes. Seeing the curve directly makes concepts like roots, slope, and limits far more intuitive than working with the algebra alone.
Frequently asked questions
What notation should I use for exponents?
Use the caret symbol, so x squared is written as x^2, and x cubed as x^3. This is standard calculator and programming notation for exponents.
Can I graph more than one function at a time?
The calculator focuses on plotting one function expression at a time for clarity — enter a new expression to see a different curve.
Can I zoom in on a specific part of the graph?
Yes — use the zoom and pan controls to move around the plotted curve and focus in on any particular region you want to examine more closely.