And you probably recognize some of them in there, cors right, absolute value, add, comp, cors, cors well we didn't do cors, we did a bunch of other things.

对，绝对值，假发，比较，当然我们还没学，我们学过其他的一些东西了。

麻省理工公开课 - 计算机科学及编程导论课程节选