3 ms·i'm going to go with the 80-20 rule as the most important math concept a programmer can learnby edge17 16y agoi'm going to go with the 80-20 rule as the most important math concept a programmer can learntomrod 16y agoI like it. But this is more of a business and economic rule, no?edge17 16y agoSure, but also it's better to look for the common case (i.e. the 80%) and make sure that's fast. It's not always worth optimizing the uncommon case (like branch misses with a branch predictor).