what kind of problem is this....

shen0211
Sun, 03 May 2009 23:56:02 +0000

yeah, t-san is right. polar is a major part of bc. in fact, it’s one of the topics that separates bc from ab-- of course you have to ace the ab part first to get the 5 in bc.

but polar and series are important, so i’d learn those quickly.