anchor.diff:          "CHISQ.DIST.RT"; "CHISQ.TEST"; "COMBIN"; "COMBINA"; "COMPLEX"; "COUNTIF"; "COVAR"; "COVARIANCE.P"; "COVARIANCE.S"; "CUBEMEMBER"; "CUBERANKEDMEMBER";
           "CUBESET"; "DATEVALUE"; "DAYS"; "DAYS360"; "DEC2BIN"; "DEC2HEX"; "DEC2OCT"; "DECIMAL"; "DELTA"; "DOLLAR"; "DOLLARDE"; "DOLLARFR"; "EDATE"; "EFFECT";
           "EOMONTH"; "ERF"; "EXACT"; "F.DIST"; "FILTERXML"; "FIND"; "FINDB"; "FIXED"; "FLOOR"; "FLOOR.PRECISE"; "FORECAST.ETS.SEASONALITY"; "FREQUENCY"; "F.TEST";
  -        "FTEST"; "FVSCHEDULE";
  +        "FTEST"; "FVSCHEDULE"; "GESTEP"; "GROWTH";
           "INDEX"; "LOOKUP"; "MATCH";
           "MEDIAN"; "MODE.MULT"; "MAX"; "MAXA"; "MODE.SNGL"; "MIN"; "MINA"; "MMULT"; "MOD"; "MODE"; "MONTH"; "MROUND"; "MULTINOMIAL";    
           "NETWORKDAYS.INTL"; "NETWORKDAYS"; "NOMINAL"; "NORM.S.DIST"; "NPV"; "NUMBERVALUE"; 
  
positive.code:         "XOR"]
  
      let ArityAtLeast1FunctionName: P<string> = ArityAtLeastNFunctionNameMaker 1 ["AND"; "AVEDEV"; "AVERAGE"; "AVERAGEA";
          "CALL"; "CONCAT"; "CONCATENATE"; "COUNT"; "COUNTA"; "CUBEVALUE"; "DEVSQ"; ]
      let ArityAtLeast2FunctionName: P<string> = ArityAtLeastNFunctionNameMaker 2 ["CHOOSE"; "COUNTIFS";]
      let ArityAtLeast3FunctionName: P<string> = ArityAtLeastNFunctionNameMaker 3 ["AGGREGATE"; "AVERAGEIFS";]
  
      let VarArgsFunctionName: P<string> =
  
negative.code: 
      let Arity4FunctionName: P<string> = ArityNFunctionNameMaker 4 ["ADDRESS"; "ACCRINTM"; "BETADIST"; "BETA.DIST"; "BETAINV"; "BETA.INV"; "BINOMDIST"; "BINOM.DIST";
          "BINOM.DIST.RANGE"; "COUPDAYBS"; "COUPDAYS"; "COUPDAYSNC"; "COUPNCD"; "COUPNUM"; "COUPPCD"; "CUBESET"; "DB"; "DDB"; "DISC"; "F.DIST"; "FORECAST.ETS";
          "FORECAST.ETS.SEASONALITY"; "FORECAST.ETS.CONFINT"; "FORECAST.ETS.STAT"; "FV"; "GAMMA.DIST"; "GAMMADIST"; "GROWTH";
          "MEDIAN"; "MODE.MULT"; "MAX"; "MAXA"; "MAXIFS"; "MODE.SNGL"; "MIN"; "MINIFS"; "MINA"; "MODE"; "MULTINOMIAL";
          "NEGBINOM.DIST"; "NETWORKDAYS.INTL"; "NORM.DIST"; "NORMDIST"; "NPER"; "NPV"; 
          "OFFSET"; "OR";
  