The same #DifferentialEquations program as before, but this time in #OtusLisp or #Scheme:

Euler method - Rosetta Code https://rosettacode.org/wiki/Euler_method#Ol

#FunctionalProgramming #Lisp

Euler method

Euler's method numerically approximates solutions of first-order ordinary differential equations (ODEs) with a given initial value. It is an explicit method for...

Rosetta Code

A #RosettaCode #quaternion task entry for both #OtusLisp and ‘regular’ #Scheme --

Quaternion type - Rosetta Code https://rosettacode.org/wiki/Quaternion_type#Ol