[hyperthesis]

Though famous as the first lunar lander game, the impressive part was the specific numerical techniques used.

[martincmartin]

OP here. Yes, that's what I meant. Using the rocket equation, truncated Taylor series approximation, truncating even more to make things solvable, then iterating to improve the solution, were all things I wouldn't have expected.

[Affric]

It wouldn’t be quick for me and I have done University calculus.