Other crossword clues for answer "SIGMA"SIGMAGreek letterRho followerStandard deviation symbolSymbol of summationGreek consonantLetter after rhoGreek letter meaning "sum" in mathThe Sweetheart of ___ ChiLetter on a frat houseStart for Socrates?Sum symbolCalculus symbolRho-tau connection[XXX]Summer sign?Part of SASECampus letterTau precederS, as in Socrates18th Greek letterSummation symbol in mathLetter between rho and tauFrat house letterTwo after piGreek letter between rho and tauScylla's head?What Archimedes was finished withSorority letterSum symbol, in mathIt's halfway between pi and upsilonLetter before tau18th chapter of a fratGreek "S"Summation symbolEither "E" in "Greek" in the poster for "My Big Fat Greek Wedding"Fraternity letterLetter on the AutoSum button in Excel___ Xi, fraternity for science research.___ Chi.Wally's ___ 7.___ VII.MillisecondBetween rho and tauStart for SophoclesMillesecondEss. . . sweetheart of ___ ChiTau's predecessorSymbol for stock volatility, in finance___ Alpha Epsilon fraternitySymbol of conductivityScience society ___ Xi___ Society (super-high I.Q. group)Arithmetic series symbolSymbol in a Riemann sumSummation signifier, in mathHead of ancient Sparta?ΣWith 65-Down, 160-year-old fraternity founded at Miami University of OhioLetter before 7-DownIt's at the end of "Oedipus"Eighteenth letterConductivity symbolRho succeeder18th letter of the Greek alphabetPart of some frat namesLetter on a house used by 4-AcrossLetter in some fraternity namesS, for SocratesCertain Greek letterEighteenth Greek letterGreek letter that resembles a rotated MGreek letter pronounced like "s"Greek letter that symbolizes summationFireSophocle's initialGreek letter SGreek letter that looks like a sideways MCharacter seen twice in Homer's "Odyssey"Mathematician's summation symbolLetter before 32-AcrossLetter resembling a sideways MSymbol of stock volatility