Graphing Calculator

Plot functions, equations and inequalities, polar and parametric curves, with sliders, and read their roots, extremes and crossings

Graph

Drag to move, scroll or pinch to zoom. Point at a curve to read its coordinates; select an expression to mark its roots, extremes and crossings.

Expressions
    What you can type
    Function
    x^2 - 3, y = sin(2x), x = y^2
    Equation
    x^2 + y^2 = 9, sin(x) = cos(y)
    Inequality
    y < x^2, x^2 + y^2 <= 4
    Slider
    a = 2, then a sin(x)
    Definition
    f(x) = x^3, then f(x - 1)
    Polar
    r = 2cos(3θ) (θ or theta)
    Parametric
    (cos(t), sin(2t))
    Points
    (1, 2), (3, -1)
    Functions
    sin cos tan sec csc cot, asin…, sinh…, sqrt cbrt nthroot, exp ln log log2, abs |x|, floor ceil round sign, min max mod gcd lcm, n!; pi, e, tau

    A × may be left out: 2x, 3(x + 1), x sin x. A name other than x, y, r, t and θ is a slider to define.