Crossword clues for +1 4 letters:ANDA+1SINEIt ranges from -1 to +1KAONParticle with a strangeness of +1 or -1SINEIt's between -1 and +1SINERatio with a range from -1 to +1PRODUCTIONVALUE3+1+1+2+1+3+1+1+1+1, for a word meaning "manufacturing"CREDITSCORE3+1+1+2+1+1, for a word meaning "recognition"NETWORTH1+1+1, for a word meaning "fish catcher"MATCHPOINTS3+1+1+3+4, for a word meaning "fire starter"UPVOTESGives a +1, onlineOVERPAR+1, sayUSAIts calling code is +1ADDENDEither 1 in "1+1"BONUSPOINT+1EVENPARIt's between +1 and -1WRONGLike 1+1=3PENTATetra- +1SEXQuinque +1SUMn(n+1)/2, for all integers from 1 to nODDOf the form 2n+1FACECARDS*They're worth 10 points at the casino (+1 = 14)