Online Graphing Calculator

Example Functions:

Basic & Polynomial:

Trigonometric:

Inverse & Hyperbolic:

Exponential & Logarithmic:

Rational & Root:

Special Functions:

Famous Curves:

Combined & Complex:

Add Point (x, y):

Enter Data Points (x,y) - one per line:

Regression Type:

Function f(x):

Operation:

x(t):

y(t):

t min:

t max:

Parametric Examples:

Data Type:

Enter Data (comma-separated):

Table Mode:

Function:

Start:

End:

Step:

Function Syntax Guide

Basic Operations:

Addition: x + 5

Subtraction: x - 3

Multiplication: 2*x

Division: x/4

Exponents: x^2 or x^3

Parentheses: (x+1)^2

Trigonometric Functions:

sin(x) - Sine function
cos(x) - Cosine function
tan(x) - Tangent function
asin(x) - Inverse sine (arcsin)
acos(x) - Inverse cosine (arccos)
atan(x) - Inverse tangent (arctan)

Advanced Functions:

exp(x) - Exponential function (e^x)
log(x) - Natural logarithm (ln x)
log10(x) - Base-10 logarithm
sqrt(x) - Square root
abs(x) - Absolute value |x|
ceil(x) - Ceiling function
floor(x) - Floor function
sinh(x), cosh(x), tanh(x) - Hyperbolic functions

Mathematical Constants:

Pi: pi (3.14159...)

Euler's number: e (2.71828...)

💡 Pro Tips:

Always use parentheses for complex expressions: (x+1)/(x-1)
Multiplication must be explicit: use 2*x not 2x
Combine multiple functions: sin(x^2) + cos(2*x)
Use the example buttons for quick function templates

Usage Tips

Graph Navigation:

Use the Zoom In/Out buttons to adjust the view scale
Modify X Min/Max and Y Min/Max for custom ranges
Click Reset View to return to default (-10 to 10)
Toggle the grid on/off for cleaner visualization
Download your graph as a PNG image for reports

Working with Functions:

Plot multiple functions simultaneously
Toggle individual functions on/off using the eye icon
Change function colors by clicking the color picker
Remove functions with the trash icon
Each function updates in real-time as you type

Advanced Features:

Regression: Fit curves to data points (linear, polynomial, exponential, etc.)
Calculus: Calculate derivatives, integrals, and find roots
Parametric: Plot parametric equations x(t) and y(t)
Statistics: Analyze datasets with mean, median, standard deviation
Table: Generate value tables for any function

Examples & Common Functions

Polynomial Functions:

x^2 - 4*x + 3 - Quadratic parabola
x^3 - 2*x - Cubic function
0.5*x^4 - 2*x^2 + 1 - Quartic function

Trigonometric Patterns:

sin(x) + cos(x) - Wave interference
2*sin(3*x) - Amplitude and frequency
sin(x)/x - Sinc function

Exponential & Logarithmic:

exp(-x^2) - Gaussian/bell curve
1/(1+exp(-x)) - Sigmoid/logistic function
log(abs(x)) - Logarithm (both sides)

🎯 Quick Start:

Click the example buttons under Functions tab to get started
Try plotting sin(x) and cos(x) together
Experiment with x^2 and change the exponent
Explore parametric equations for beautiful curves

About This Calculator

This free online graphing calculator is a powerful mathematical tool designed for students, teachers, engineers, and anyone who needs to visualize mathematical functions and analyze data.

Key Features:

Plot multiple functions simultaneously with customizable colors
Advanced regression analysis with 10+ curve fitting options
Calculus tools: derivatives, definite integrals, root finding
Parametric equation plotting for complex curves
Comprehensive statistical analysis
Function value tables generation
Interactive graph with zoom and pan controls
Export graphs as PNG images

Perfect For:

High school and college mathematics courses
IB Diploma mathematics (SL & HL)
AP Calculus and Statistics
Engineering and physics applications
Data analysis and visualization
Research and scientific computing

📚 Educational Tool:

This calculator is completely free and requires no registration. Use it for learning, teaching, homework, or professional work. All calculations are performed in your browser for privacy and speed.