| Plotting Multiple Equations and
Solving Systems of Equations (1) Enter between two and five equations in x and y separated by commas and (2) select your display window (the default window is –10 to 10 in both x and y directions). With 1-click, you get all the graphs and points of intersection. (Note: enter functions, like "f(x)=x^2+3", in equation form, "y=x^2+3"). Basic Membership is FREE Find out about free Membership and register. Basic Members get to graph and solve systems of polynomial equations (less than degree 4). Subscribe for A+ Membership to graph and solve all systems of equations and have unrestricted access to all graphing and solving calculators.
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United States Patent Numbers 7,432,926, 7,595,801, & 7,889,199.
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