残ざん差さ平へい方ほう和わMeaningsNoun1. residual sum of squaresKanji used残left behind差difference平flat方way和harmonyComposed of残ざんremainder; the rest; what is leftNoun差さdifference; variationNoun平へい方ほうsquare (e.g. metre)Noun和わsum; harmony; peace; Japan; Japanese-styleNoun