Example Functions: Parametric Examples: Function Syntax Guide 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) 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 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 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 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 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 x^2 - 4*x + 3 - Quadratic parabola x^3 - 2*x - Cubic function 0.5*x^4 - 2*x^2 + 1 - Quartic function sin(x) + cos(x) - Wave interference 2*sin(3*x) - Amplitude and frequency sin(x)/x - Sinc function exp(-x^2) - Gaussian/bell curve 1/(1+exp(-x)) - Sigmoid/logistic function log(abs(x)) - Logarithm (both sides) 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. 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 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 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.