Impressive HP-25 Library

[Werner]

(09-24-2020 09:46 PM)Valentin Albillo Wrote:              - the second one is 39-step long, leaves 10 steps to define the function, and evaluates it four times per iteration, with different arguments each time.

Hello Valentin,
the library actually contains a 4th-order Runge-Kutta integration routine as well (L18), that leaves 16 steps free for the definition of f(x,y). It uses a counter in R5 to distinguish between the function calls.

Cheers, Werner