[falcor84]

Pen and paper? Excuse me, but real programmers use butterflies.

[jdmoreira]

This was just standard procedure at university in 2002. Nothing special. It was me and 200 more people. Pretty sure all the exercises were lifted or inspired by The Little Schemer even thought it took me years to learn about that book.

[stoneman24]

I suppose butterflies would do for volatile storage but you really need long term memory, such as twig and clay tablet.

What was good enough for the Sumerian’s is good enough for me.