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Differential equation
The math word "differential equation" is described in the pages listed below. If you not find what you need, you can also search the web for other definitions.
Many differential equations cannot be solved exactly, so we need a numerical method to sketch a solution. Euler's method is one such technique. Interactive calculus applet.
Equations in calculus with derivatives in them are called differential equations, and solving them means finding a function that satisfies the equation. Interactive calculus applet.
Calculus: Many differential equations are not solvable except by numerical methods. Some, however, can be solved by separating the x and y's, then integrating. Interactive calculus applet.
Slope fields provide a way to visualize first-order differential equations and get a feel for the family of solutions. Interactive calculus applet.
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