A graphical method of solving an Ordinary Differential Equation of the form

by plotting a series of curves , then drawing a curve Perpendicular to each curve such that it satisfies the initial condition. This curve is the solution to the Ordinary Differential Equation.

**References**

Kármán, T. von and Biot, M. A.
*Mathematical Methods in Engineering: An Introduction to the Mathematical Treatment of Engineering Problems.*
New York: McGraw-Hill, pp. 3 and 7, 1940.

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1999-05-26