ac·cord·ing as (ə-kôr

dĭng)
conj.►  Corresponding to the way in which; precisely as.
►  Depending on whether; if. 
 [TahlilGaran] American Dictionary ▲
 according as conj. 1. Depending on which; whichever. 
 You may take an oral or written exam according as you prefer. 1.
 You may take an oral or written exam according as you prefer. 1. Depending on whether; if. 
 We will play golf or stay home according as the weather is good or bad.
 We will play golf or stay home according as the weather is good or bad.  [TahlilGaran] English Idioms Dictionary ▲