some things you never forget

[totient]

... like for example that the input-to-output delay of a 74LS04 is 3.5 nanoseconds.

How I remembered that for the decade since the last time I specified LS-series logic I could not tell you.

Comments

Perhaps not quite the same thing...

[macgyvette.livejournal.com]

But at any gathering of my family large or small, if the numbers 1066 come up, you can hear "Battle of Hastings!" shouted like a battle cry.