■ To graph using this free online Graphing Calculator, select Graph Type: Function (default), Equation, Parametric Curve or Point Set, and select Coordinate System: Cartesian (default), or Polar from the top of the graphing calculator.
■ To graph any of the above, type in an expression and press Draw Graph (or press Enter on the keyboard).
■ To draw two or more graphs on the same coordinate plane first press Draw Multiple Graphs... Quick Start
To calculate (partial) derivatives with respect to any variable go to Derivative Calculator
GCalcD, Graphic Calculator with Derivatives, is the implementation of these simple Graphers into one single graphing utility.
GCalcD is the only known graphical calculator that allows rotation of axes to visualize graphs in non-perpendicular coordinate systems. More about the gCalcD Graphing Calculator
Information for Mac and non-IE users
Find out how to change the colors.
Learn how to type in π, ∞, θ and about other Tips.
Learn how to use your mouse to change the scales, translate the origin and rotate the axes.