Online calculator: Runge–Kutta method
planetcalc.com › 8400You can use this calculator to solve first-degree differential equation with a given initial value using the Runge-Kutta method AKA classic Runge-Kutta method (because there is a family of Runge-Kutta methods) or RK4 (because it is a fourth-order method). and enter the right side of the equation f (x,y) in the y' field below.