Context is always important. As an EE, I quite often approximate 1s with infinity e.g. this capacitor will have zero charge as t approaches infinity which I can

Context is always important. As an EE, I quite often approximate 1s with infinity e.g. this capacitor will have zero charge as t approaches infinity which I can assume is definitely after 1s. Not sure if all EEs think about it that way, but this actually kind of what we are doing.