Sure, but you know what has state? ODEs and their discrete-time analogue, recurrence relations. You first meet ODEs in calculus. Even if you say “who cares abou

Sure, but you know what has state? ODEs and their discrete-time analogue, recurrence relations. You first meet ODEs in calculus. Even if you say “who cares about continuous time, my computer is fundamentally discrete!” you won’t have a concept of limiting behaviors without calculus.